bbbb bbbs bbch bbhs bcbc bcbs bccc bccs bchs bcos bcsc bcsn bcss bctc bcts bhcc bhhs bhot bnhs bnoc bnss bobb bobo bobs boch boco bocs bohn boho bohs boht bonc bonn bono bons bont boob booc booh boon boos boot bosc bosh bosn boso boss bost botb both botn boto bots bott bscs bshs bsns bson bsos bssc bsts btcc btcs bths btob btss bttb c-bo cbbc cbbs cbcc cbcn cbcs cbct cbhs cbot cbsc cbsn cbtc ccbc ccbn cccb cccc cccs cchs ccnb ccnc ccns ccob ccoc ccsn ccss ccst cctb cctc cctt chch chcs chhs chnb chnc chno chns choc choh chon choo chos chsc chsh chst chto chtt cnbc cnco cnhs cnoh cnss cntc cobb cobh cobo cobs coch coco coct cohn coho cohs con- conc conn cono cons cont coob cooh coon coos coot cosc cosh coso coss cost cotb cotc coth cotn coto cots cott cscb cscc csch csco cscs cshs csob csos csot cstc csto csts ctbs cths ctns ctos ctot ctsc ctsn ctss cttn ctts hbbs hbhs hboc hbos hbss hcbc hcbs hccb hccc hcch hccs hchs hcsc hcso hcss hcst hhhh hhhs hncs hnhs hntb hnts hobo hobs hoch hocn hocs hohn hoho hono hons hont hoon hoos hoot hosh hoss host hotb hoth hoto hots hott hsbc hscc hscn hsct hshs hsob hson hstn hsts htcc hths htoh htsc nbbc nbbo nbcc nbco nbcs nbhs ncbc ncbs nccc nccn nccs ncct nchc nchs ncnc ncoc ncos ncsc ncss ncst nctc nhcc nhhs nhnn nhon nhsc nhst nnhs nnnn nnos nnot nnss nntn nobc nobo nobs noch noco nocs noct nohn noho nohs noht non- nonn nono nons nont noo- noob noon nooo noos noot nos- nosh noss nost not- noth noto nots nott nsbo nscc nscs nshs nsos nssb nssc nsso nsss nstc nsts ntbc ntcc nthn nths ntht ntsb ntsc ntss ntto obbo obhs obon obos obot obsn obss obst obts ocbc occc occn occt ochs ocht ocon ocos oct- octo octs ohcc ohho ohhs ohno ohob ohoh ohos ohso ohss ohto onc- onco onct onno onon onos onsc onso onst ont- ontc onto ooho oohs oons oont oooh oooo ooos oost ootb oots oscc osco oshc osho oshs osno osoo osos ossb osso ostc osts otbs otho oths oto- otoh oton otoo otos otso otto otts s-os sbbs sbcc sbcs sbct sbhc sbhs sbot sbst sbtc sbtn sccc sccs scct sch- schh scho schs scnt scob scoh scon scoo scot scsc scsh scsn scso scst sctc sctn scto scts shbs shbt shcc shhh shhs shon shoo shos shot shsc shts sncc snco snhs snns snob snoc snoo snos snot sobo sobs sobt soch soco socs sohh sohn soho sohs son- sono sons sont soon soos soot sosh soso soss sost sotc soth sotn soto sots ssbn sscc sscs sshs ssns ssoc ssot sssb sssc sssh ssss sstb sstc ssth ssts stbc stbs stcc stch stcs sthn sths stnn stns stob ston stoo stos stot stss sttc tbbs tbcb tbcc tbhs tbst tcbs tccc tch- tchh tcho tchs tcnn tcon tcos tcsh tctc tcts thbs thch thnt thon thoo thos thot thss thtb thts tnbc tncc tnsh tnts tobo tobs tobt toch toco toho tonb tonh tonn tono tons tooh toon toos toot tosb tosc tosh toso toss tost totc toth toto tots tott tsbc tscc tshb tshs tsob tsos tsst tstc tsts ttbb ttcn tton ttss tttt