bbbb bbbs bbci bbin bcbc bcbs bccc bcci bccs bcis bcit bcnu bcsc bcsn bcss bctc bcts bcuc bibb bibi bibs bicc bici bics biin biis bin- binc bini binn bins bint binu biny bis- bisc biss bist bisu bisy bitc bits bitt bitu biys bnib bnin bnss bsci bscs bsic bsin bsns bssc bsts btcc btcs btss bttb btus bubb bubi bubs bubu bucc buci bucs bucu buic buin buis buit buiu bunb buni bunn buns bunt bunu busc busi buss bust busu busy but- buti buts butt buty buus buyi buys buyu byit bync bysb bysi byss byst bysy byts byun cbbc cbbs cbcc cbcn cbcs cbct cbcu cbit cbsc cbsi cbsn cbtc cbus cbyt ccbc ccbn cccb cccc ccci cccs cccu ccic ccii ccis ccnb ccnc ccni ccns ccnu ccny ccsi ccsn ccss ccst cctb cctc cctt ccuc ccus ccut cibc cibi cicc cici cics cict cicu ciii ciis ciit cin- cinc cini cint cis- cisc cisn ciss cist cisy citb citi cits citt citu city ciuc cius ciyu cnbc cnci cnib cnic cnss cntc cnut cscb cscc csci cscs csib csis csit csny cstc csts csus csys ctbi ctbs ctic ctns ctsc ctsn ctss ctsu cttn ctts cub- cubb cubi cubs cuby cucc cuci cucn cui- cuin cuis cuit cunt cuny cusb cuss cust cusu cusy cut- cutc cuts cutt cuy- cybb cybc cybi cyc- cycb cycc cycs cyn- cyst cyt- cytb cyun cyy- cyyc cyyn i-by ibcs ibis ibns ibsn ibss ibtb ibtc ibts ibus ibuy ibyi icbc icbs iccb iccc icci iccn iccs icct iccu icis icnb icnc icns icsb icsc icsi icss icst icts icub icus iiii iiis iiit iisc iisi iist iisu iitt iiuc inby incb inci incs incy inis init inni inns innu inny insc inss inst insu inti intn ints intu inui inun inus isbn isbt iscc isci iscn iscs isct iscu isic isin isis isit isnt issc issi isss issu issy istc isti ists isty isus isys itbs itby itcs itic itin itis itsi itsu itsy itty iucc iuiu iuss iust iuty n-ii nbbc nbcc nbci nbcs nbic nbti nbty ncbc ncbi ncbs nccc ncci nccn nccs ncct nccu ncis ncit ncnc ncsc ncsi ncss ncst ncsy nctc nibi nibs nicc nici nics nicu nicy niit niiu nini nins nisi niss nist nisu nitb nitc niti nits nity niyi nnit nnnn nnss nntn nscc nscs nsic nsin nsis nssb nssc nsss nstc nsts nstu nsub ntbc ntcc ntis ntnu ntsb ntsc ntss ntsu ntuc ntui nubc nubi nubs nuby nuci nucs nucu nuin nuit nunc nunn nuns nunt nuny nusi nuss nust nusu nusy nuts nutt nutu nuys nycc nycy nyit nynt nyny nysc nyss nyst nytb nytc s-ib s-ic s-ii sbbs sbcc sbcs sbct sbic sbsi sbst sbtc sbtn sbus scbi sccc sccs scct sccy sci- scic scin scis scit scnt scsc scsi scsn scst scsu sctc sctn scts scub scun scut scyn sibc sibi sibs sibu siby sicc sici sics sicu siit sini sinn sins sint sinu siny sisc sisi siss sist sisu sisy sit- sitc siti sitn sits sitt situ sity siui sius siut siyi siyu sncc snib snit snns snsy snub snus snys ssbn ssby sscc ssci sscs ssin ssis ssit ssns sssb sssc sssi ssss sstb sstc ssts stbc stbs stcc stcs stcu stib stic stis stit stnn stns stsi stss sttc stub stuc stun stus stut stuy stys sub- subb subi subs suc- succ suci sucs suin suis suit sun- sunb suni sunn suns sunt sunu suny sus- susi suss sust susu susy suti sutu suty suus suyi suyn suyu syis syn- sync syns synu syny syss syst sytt syun tbbs tbcb tbcc tbit tbst tcbs tcby tccc tccu tcnn tctc tcts tibi tibs tibu ticc tics tiit tiiu tinc tini tinn tins tint tinu tiny tisb tisi tiss tist titc titi tits titt titu tiyi tiyn tnbc tncc tnts tnut tsbc tscc tsin tsis tssi tsst tstc tsts tsui tsun tsys ttbb ttcn ttss tttt ttys tubb tubs tubu tucc tuin tuis tuit tuiu tunb tunc tuni tunn tuns tunu tuny tusc tusi tuss tust tuti tuts tutt tutu tuty tuyn tuys tybi tyin tynt tyny tyss tyst tyti tytt tyty tyus tyyn ubbi ubic ubii ubis ubit ucbc ucci ucin ucsb ucsc ucst ucsu ucut uint uist uits uncc unci uncs unct uni- unic unii unin unis unit unni unns uns- unsc unst untb unts unty unus unut usbc usbs uscc uscs usin usis usnc usnu ussb ussc usss usst ussu ussy ustb ustc usti usts usui usun usus utby utin utis utsc utti uttu uuni uusi uuuu uuyn uyin uyts ybbs yccc ycsb yctc yins yiss yist yiti ysby ysii yssu ysyb yubu yuin yuit yuns yuny yust yutu yuty yuyu yyyy