bbbb bbbs bbci bbin bbrc bcbc bcbs bccc bcci bccs bcis bcit bcnu bcrs bcru bcsc bcsn bcss bctc bcts bcuc bibb bibi bibs bicc bici bics biin biis bin- binc bini binn bins bint binu birb biri birn birr birs birt biru bis- bisc biss bist bisu bitc bits bitt bitu bivi bnib bnin bnrr bnss brcb bric brin bris brit brns brrr brrs brsb brsr brst brtc bruc brun brus brut bruv brvi bsci bscs bsic bsin bsns bssc bsts bstv btcc btcs btrc btrt btss bttb btus btvi bubb bubi bubs bubu bucc buci bucs bucu buic buin buir buis buit buiu bunb buni bunn buns bunt bunu bur- burb buri burn burr burs burt buru busc busi buss bust busu but- buti buts butt buus bvsc cbbc cbbs cbcc cbcn cbcr cbcs cbct cbcu cbir cbit cbrn cbrt cbsc cbsi cbsn cbtc cbtv cbus cbvb cbvn cbvr ccbc ccbn cccb cccc ccci cccs cccu cccv ccic ccii ccir ccis cciv ccnb ccnc ccni ccnr ccns ccnu ccrc ccri ccrs ccrt ccsi ccsn ccss ccst cctb cctc cctt cctv ccuc ccus ccut ccvi ccvs cibc cibi cicc cici cicr cics cict cicu ciii ciis ciit cin- cinc cini cint cinv cirb circ ciri cirr cirs cirt cis- cisc cisn cisr ciss cist cisv citb citi cits citt citu citv ciuc cius civc cnbc cnci cnib cnic cnrc cnrr cnrt cnss cntc cntr cnut crbc crbu crcc crcr crib cric crin cris crit criu crns crrt crss crst crtc crts crtv crub crun crus crut cscb cscc csci cscr cscs csib csir csis csit csrc csrs cssr cstc cstr csts csur csus ctbi ctbs ctic ctns ctrc ctrn ctrs ctsc ctsn ctss ctsu cttn ctts ctvt cub- cubb cubi cubs cucc cuci cucn cui- cuin cuir cuis cuit cunt curb curi curn curr curs curt cusb cuss cust cusu cut- cutc cuts cutt cutv cvbs cvcc cvii cvrr cvss ibcs ibis ibns ibrc ibri ibsn ibss ibtb ibtc ibts ibus icbc icbs iccb iccc icci iccn iccr iccs icct iccu icis icnb icnc icns icrc icrr icrs icrt icru icsb icsc icsi icsr icss icst icts ictv icub icus iiii iiis iiit iirc iirs iisc iisi iisr iist iisu iitr iitt iiuc incb inci incr incs inis init inni innr inns innu inri inrs insc inss inst insu inti intn intr ints intu inui inun inus invs invt ircc ircs ircu iri- iric irin iris irrc irri irrs irti irts irun irus irvs isbn isbt iscc isci iscn iscr iscs isct iscu isic isin isis isit isnt isri issc issi issr isss issu istc isti istr ists isus itbs itcs itic itin itis itri itrs itsi itsu itur iucc iucv iuiu iuss iust ivbv ivic ivin ivrs n-ii n-tv nbbc nbcc nbci nbcs nbic nbti ncbc ncbi ncbs nccc ncci nccn nccr nccs ncct nccu ncis ncit ncnc ncrc ncri ncsc ncsi ncss ncst nctc nctr nctv ncvs nibi nibs nicc nici nics nicu niir niit niiu nini nins nirs nirt niru nirv nisi niss nist nisu nitb nitc niti nitr nits niur nivr nnit nnnn nnss nntn nnvt nrcs nric nrrc nrsc nrsv nrts nscc nscs nsic nsin nsis nsnr nsrc nssb nssc nssr nsss nstc nsts nstu nsub ntbc ntcc ntis ntnu ntrc ntru ntsb ntsc ntss ntsu nttr nttv ntuc ntui nubc nubi nubs nuci nucs nucu nuin nuit nunc nunn nuns nunt nurc nuri nurn nurr nurs nurt nuru nurv nusi nuss nust nusu nuts nutt nutu nvcc nvcs nvir nvis nvss nvtc nvtv rbbb rbbr rbbs rbis rbss rbst rcbc rccb rccc rccs rcic rcis rcnr rcsc rcsi rcss rctc rcti rcts rctv rcuv rcvr rcvs rib- ribs ribu ricc rics rict riin riis rinn riri rirs risc risi riss rist risu riti rits ritt ritu rius rivs rnbr rncs rnin rnnt rnut rrrr rrun rsbi rscc rscn rscs rsis rsnn rsnr rsts rstu rtcc rtns rtss rtts rtvi rubb rubi rubs rubu ruci ruct ruin ruis ruit runc runi runn runs runt rurc ruri rurs ruru rusi russ rust rusu ruti ruts rutt rutu ruun ruvi ruvu rv-c s-ib s-ic s-ii s-iv s-vt sbbs sbcc sbcs sbct sbic sbsi sbst sbtc sbtn sbus scbi sccc sccs scct sci- scic scin scir scis scit sciv scnr scnt scr- scrc scri scrn scrs scsc scsi scsn scsr scst scsu sctc sctn sctr scts sctv scub scun scur scut sibc sibi sibs sibu sicc sici sics sicu siit sini sinn sins sint sinu sirc siri sirr sirs sirt siru sisc sisi siss sist sisu sit- sitc siti sitn sits sitt situ siui sius siut sivi sncc snib snir snit snns snrs sntr sntv snub snur snus snvi srbc srcc srct srib sris srni srnn srtr srtv srub srvn ssbn ssbr sscc ssci sscs ssin ssis ssit ssns ssrc ssri ssrs sssb sssc sssi ssss sstb sstc ssts st-v stbc stbs stcc stcs stcu stib stic stir stis stit stnn stnr stns strc stri strn strs stru stsi stss sttc sttr stub stuc stun stur stus stut stuv stvs sub- subb subi subs suc- succ suci sucr sucs suin suir suis suit sun- sunb suni sunn suns sunt sunu sur- surc suri surn surr surs surt suru surv sus- susi suss sust susu suti sutu suus suvi suvs svcc svcs svic svir svit svns svsc svtr tbbs tbcb tbcc tbit tbrb tbst tbvi tcbs tccc tccu tcnn tctc tcts tibi tibs tibu ticc tics tiit tiiu tinc tini tinn tins tint tinu tirb tiri tirr tirs tiru tisb tisi tiss tist titc titi tits titt titu tivi tnbc tncc tnts tnut trcc tri- trib tric trin tris trit trsi trst trtc trtr trub truc trun trus trut truu trvs tsbc tscc tsin tsis tsiv tssi tssr tsst tstc tsts tsui tsun tsvi ttbb ttcn ttss tttt tubb tubr tubs tubu tucc tuin tuis tuit tuiu tunb tunc tuni tunn tuns tunu turb turc turi turn turr turs turt turu tusc tusi tuss tust tuti tuts tutt