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 bis- bisc biss bist bisu bitc bits bitt bitu 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 but- buti buts butt buus cbbc cbbs cbcc cbcn cbcs cbct cbcu cbit cbsc cbsi cbsn cbtc cbus ccbc ccbn cccb cccc ccci cccs cccu ccic ccii ccis ccnb ccnc ccni ccns ccnu 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 citb citi cits citt citu ciuc cius cnbc cnci cnib cnic cnss cntc cnut cscb cscc csci cscs csib csis csit cstc csts csus ctbi ctbs ctic ctns ctsc ctsn ctss ctsu cttn ctts cub- cubb cubi cubs cucc cuci cucn cui- cuin cuis cuit cunt cusb cuss cust cusu cut- cutc cuts cutt ibcs ibis ibns ibsn ibss ibtb ibtc ibts ibus 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 incb inci incs inis init inni inns innu 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 istc isti ists isus itbs itcs itic itin itis itsi itsu iucc iuiu iuss iust n-ii nbbc nbcc nbci nbcs nbic nbti ncbc ncbi ncbs nccc ncci nccn nccs ncct nccu ncis ncit ncnc ncsc ncsi ncss ncst nctc nibi nibs nicc nici nics nicu niit niiu nini nins nisi niss nist nisu nitb nitc niti nits 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 nuci nucs nucu nuin nuit nunc nunn nuns nunt nusi nuss nust nusu nuts nutt nutu s-ib s-ic s-ii sbbs sbcc sbcs sbct sbic sbsi sbst sbtc sbtn sbus scbi sccc sccs scct sci- scic scin scis scit scnt scsc scsi scsn scst scsu sctc sctn scts scub scun scut sibc sibi sibs sibu sicc sici sics sicu siit sini sinn sins sint sinu sisc sisi siss sist sisu sit- sitc siti sitn sits sitt situ siui sius siut sncc snib snit snns snub snus ssbn 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 sub- subb subi subs suc- succ suci sucs suin suis suit sun- sunb suni sunn suns sunt sunu sus- susi suss sust susu suti sutu suus tbbs tbcb tbcc tbit tbst tcbs tccc tccu tcnn tctc tcts tibi tibs tibu ticc tics tiit tiiu tinc tini tinn tins tint tinu tisb tisi tiss tist titc titi tits titt titu tnbc tncc tnts tnut tsbc tscc tsin tsis tssi tsst tstc tsts tsui tsun ttbb ttcn ttss tttt tubb tubs tubu tucc tuin tuis tuit tuiu tunb tunc tuni tunn tuns tunu tusc tusi tuss tust tuti tuts tutt tutu 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 unus unut usbc usbs uscc uscs usin usis usnc usnu ussb ussc usss usst ussu ustb ustc usti usts usui usun usus utin utis utsc utti uttu uuni uusi uuuu