bbbb bbbs bbch bbhs bcbc bcbs bccc bccs bchs bcos bcsc bcsn bcss bhcc bhhs bnhs bnoc bnss bobb bobo bobs boch boco bocs bohn boho bohs bonc bonn bono bons boob booc booh boon boos bosc bosh bosn boso boss bscs bshs bsns bson bsos bssc c-bo cbbc cbbs cbcc cbcn cbcs cbhs cbsc cbsn ccbc ccbn cccb cccc cccs cchs ccnb ccnc ccns ccob ccoc ccsn ccss chch chcs chhs chnb chnc chno chns choc choh chon choo chos chsc chsh cnbc cnco cnhs cnoh cnss cobb cobh cobo cobs coch coco cohn coho cohs con- conc conn cono cons coob cooh coon coos cosc cosh coso coss cscb cscc csch csco cscs cshs csob csos hbbs hbhs hboc hbos hbss hcbc hcbs hccb hccc hcch hccs hchs hcsc hcso hcss hhhh hhhs hncs hnhs hobo hobs hoch hocn hocs hohn hoho hono hons hoon hoos hosh hoss hsbc hscc hscn hshs hsob hson nbbc nbbo nbcc nbco nbcs nbhs ncbc ncbs nccc nccn nccs nchc nchs ncnc ncoc ncos ncsc ncss nhcc nhhs nhnn nhon nhsc nnhs nnnn nnos nnss nobc nobo nobs noch noco nocs nohn noho nohs non- nonn nono nons noo- noob noon nooo noos nos- nosh noss nsbo nscc nscs nshs nsos nssb nssc nsso nsss obbo obhs obon obos obsn obss ocbc occc occn ochs ocon ocos ohcc ohho ohhs ohno ohob ohoh ohos ohso ohss onc- onco onno onon onos onsc onso ooho oohs oons oooh oooo ooos oscc osco oshc osho oshs osno osoo osos ossb osso s-os sbbs sbcc sbcs sbhc sbhs sccc sccs sch- schh scho schs scob scoh scon scoo scsc scsh scsn scso shbs shcc shhh shhs shon shoo shos shsc sncc snco snhs snns snob snoc snoo snos sobo sobs soch soco socs sohh sohn soho sohs son- sono sons soon soos sosh soso soss ssbn sscc sscs sshs ssns ssoc sssb sssc sssh ssss