bbbb bbch bbci bblb bcbc bccc bcci bccl bhcc bhil bhoi bibb bibi bibl bibo bicc bich bici bico bihi bihl bili bill bilo bio- bioc bioi biol blic blio blob bloc bloo bobb bobi bobo boch boco bohl boho boi- boii boil boli boll bolo boob booc booh bool c-bo cbbc cbcc cbcl cbhl cblb cblc cbol ccbc cccb cccc ccci cccl cchl ccic ccii ccil cclc ccli ccob ccoc chch chci chib chic chih chil chlc choc choh choi chol choo cibc cibi cibo cicc cich cici cico ciii cili cill cilo ciob clib clic clii clio clob cloo cobb cobh cobi cobo coch coco coho coil col- colb coli coll colo coob cooh cool h-ii hbic hbio hboc hcbc hccb hccc hcch hchi hhcl hhhh hi-c hibi hicc hich hico hihc hihi hiho hiil hili hill hilo hiob hioc hobo hoch hohl hoho hoil hol- holb holc holh holi holl holo hool icbc iccb iccc icci iccl icco ichc ichi icho icll icoc ihcc ihob iihl iiii iiio iioi iioo ilbc ilic ilio ill- illi illo iloc iloo iobi ioci ioii ioio iolo iooi iooo lbcc lcbc lccc lchc lhhh libc libo lich lico lih- lihi liho liii lilb lili lill lilo lio- llcc lllc llll lloc lloo lob- lobb lobh lobi lobo locc loch loci loco lohi loho loic loli loll lolo loob looc lool obbo oboi obol ocbc occc occi ochi oclc ohcc ohhi ohho ohio ohob ohoh oici oiii olbo olcc olib olic olio olli ollo oobi ooho oolo oooh oooo