sort by Rank | Alpha
| Possible Meanings | Rank |
| Branson School Online | **** |
| Blues Society of Omaha | **** |
| Beroeps Secundair Onderwijs | **** |
| Bulgarian Symphony Orchestra | **** |
| Blood Squad Ops | **** |
| Business Support Office | **** |
| Bulgarian State Opera | **** |
| Berlin Symphony Orchestra | **** |
| Bilateral Salpingo Oophorectomy | **** |
| Bratislava Symphony Orchestra | **** |
| Brevard Symphony Orchestra | *** |
| Business Services Organisations | *** |
| Bakersfield Symphony Orchestra | *** |
| Bangor Symphony Orchestra | *** |
| Buitengewoon Secundair Onderwijs | *** |
| Business Service Optimization | *** |
| Baloch Students Organization | *** |
| Brian Setzer Orchestra | *** |
| Bryan Symphony Orchestra | *** |
| Brampton Symphony Orchestra | *** |
| Buffalo Symphony Orchestra | *** |
| Business Services Orchestration | *** |
| Business Stat Online | *** |
| Badan Semi Otonom | *** |
| Billings Symphony Orchestra | *** |
| Black Student Organization | *** |
| Biological Safety Officer | *** |
| Bangkok Symphony Orchestra | *** |
| Bilateral Salpingo Oopherectomy | *** |
| Berner Symphonie Orchester | *** |
| Business Service Organisation | *** |
| Bilkent Symphony Orchestra | *** |
| Broward Sheriffs Office | *** |
| British Sugar Overseas | *** |
| Biological Science Office | *** |
| Bayerische Semikontakt Organisation | *** |
| Bloomington Symphony Orchestra | *** |
| brytania school of | *** |
| Bikeclub Sense Oberland | *** |
| Business Statistics Office | *** |
| Business Stability Operations | *** |
| Banbury Symphony Orchestra | *** |
| bass strait oil | *** |
| Business Support Organizations | *** |
| Bainbridge Symphony Orchestra | *** |
| Black Students Organization | *** |
| Bramorski Szermach Okorowska | *** |
| Business Service Optimisation | *** |
| Bodensee Schiffahrts Ordnung | *** |
| Business System Option | *** |
| Bruocsella Symphony Orchestra | *** |
| Beijing Symphony Orchestra | *** |
| Branch Sales Office | *** |
| Botanical Society of Otago | *** |
| Bink Style Outbound | *** |
| Black Students Organisation | ** |
| bovine serum orosomucoid | ** |
| brominated sesame oil | ** |
| Bike Shaped Object | ** |
| Bata Shoe Organisation | ** |
| DL-buthionine-S,R-sulfoximine | ** |
| Backup Security Official | ** |
| Blue Stellar Objects | ** |
| D,L-buthionine-S,R-sulfoximine | ** |
| Balanced Scorecard Organisation | ** |
| Bata Shoe Organization | ** |
| Bayanihan Student Organization | ** |
| Bicycle Shaped Object | ** |
| benzene-soluble organic matter | ** |
| butter oil + soybean oil | ** |
| Bundes Sport Organisation | ** |
| D,L-buthionine sulfoximine | ** |
| D,L-buthionine-sulphoximine | ** |
| DL-buthionine sulfoximine | ** |
| DL-buthionine sulphoximine | ** |
| DL-buthionine- -sulfoximine | ** |
| L-buthionine sulfoximine | ** |
| L-buthionine sulphoximine | ** |
| L-S,R-buthionine sulfoximine | ** |
| S-buthionine sulphoximine | ** |
| BAL Shared Object | ** |
| Business Systems Overhaul | ** |
| Bank of Syria and Overseas | ** |
| Boston Systems Office | ** |
| buthionine (SR)-sulfoximine | ** |
| buthionine SR-sulfoximine | ** |
| buthionine sulfoximine alone | ** |
| buthionine-(SR)-sulfoximine | ** |
| buthionine-SR-sulfoximine | ** |
| DL-buthionine-(SR)-sulfoximine | ** |
| DL-buthionine-SR-sulfoximine | ** |
| DL-buthionine-SR-sulphoximine | ** |
| I-buthionine-(SR)-sulfoximine | ** |
| L-buthionine SR-sulfoximine | ** |
| L-buthionine-(SR)-sulfoximine | ** |
| L-buthionine-[SR]-sulfoximine | ** |
| L-buthionine-SR-Sulfoximine | ** |
| L-buthionine-SR-sulphoximine | ** |
| Building Safer Organizations | ** |
| Balochistan Students Organization | ** |
| Berkeley Site Office | ** |
| Business Systems Options | ** |
| BLAST Support Office | ** |
| Blind Sports Organization | ** |
| Business Service Organizations | ** |
| Bilateral Sagittal Osteotomy | ** |
| Britney Spears Online | ** |
| Broward Sheriff Office | ** |
| Burn Survivors Online | ** |
| Business Support Officers | ** |
| Book Shaped Objects | ** |
| Business Services Outsourcing | ** |
| biological safety officers | ** |
| Brookhaven Site Office | ** |
| Boat Safety Officer | ** |
| Baloch Students Organisation | ** |
| Buro Servicetaken Onderwijs | ** |
| Business Support Officer | ** |
| Business Support Organisation | ** |
| Band Social Organization | ** |
| Branch on Sleepy Operator | ** |
| Breeding Seedling Orchard | ** |
| Budget Supervision Office | ** |
| Bost on Symphony Orchestra | ** |
| Balkan School of Oncology | ** |
| Bangladeshi Student Organization | ** |
| Bitumen Sprayer Operation | ** |
| Base of Operation | ** |
| Bilateral Salpingo Oophorectomies | ** |
| Bonniers Svenska Ordbok | ** |
| Brake Standard Open | ** |
| Basic Safety Objective | ** |
| Broker Select Option | ** |
| Business Solutions and Offerings | ** |
| Bureaus of Special Operations | ** |
| Beratung Service Organisation | ** |
| Bomb Safety Officer | ** |
| British Standards Organization | ** |
| Blue Sky Observatory | ** |
| Brise Soleil Orientable | ** |
| Bangladesh Survey Organisation | * |
| Basic Service Operators | * |
| L-buthionine-(S,R)-sulfoximine | * |
| Baluch Students Organization | * |
| Base Supply Officer | * |
| Basic Scratch Outline | * |
| Bedworth Symphony Orchestra | * |
| Belangengroep Studentenflat Onderwijsboulevard | * |
| Bilateral Serous Otitis | * |
| Bulgarian Scout Organization | * |
| Bilateral Salphingo Oophorectomy | * |
| Blackcurrant Seed Oil | * |
| Brise Soleil Orientables | * |
| Baluch Students Organistaion | * |
| Biely Svajciarsky Ovciak | * |
| Black September Ops | * |
| Bright Shiny Objects | * |
| Business Student Organization | * |
| Business Systems Online | * |
| Basic Safety Objectives | * |
| Boeing Space Operations | * |
| Branch Statistics Office | * |
| Brantford Symphony Orchestra | * |
| Brazilian Symphony Orchestra | * |
| Bromley Symphony Orchestra | * |
| Business Solutions Office | * |
| business solutions operations | * |
| Business Systems Operations | * |
| bacteria shaped objects | * |
| Blackwell Science Oxford | * |
| Brigade Signal Officers | * |
| Barcelona Spain Organization | * |
| Battalion Signal Officers | * |
| Beats the Schist Out | * |
| Beneficiary Service Office | * |
| Biology Societies and Organization | * |
| Business and Systems Office | * |
| Business School of Oulu | * |