-ing bbbb bbbs bbci bbin bbng bcbc bcbg bcbs bccc bcci bccs bcgs bcis bcit bcnu bcsc bcsn bcss bctc bcts bcuc bggs bgst bgun bibb bibi bibs bicc bicg bici bics bigb bigc bigg bign bigs bigt bigu biin biis bin- binc bing bini binn bins bint binu bis- bisc biss bist bisu bitc bits bitt bitu bnib bnin bnss bsci bscs bsgs bsic bsin bsns bssc bsts btcc btcs btss bttb btus bubb bubi bubs bubu bucc buci bucs bucu bugg bugi bugs buic buin buis buit buiu bunb bung buni bunn buns bunt bunu busc busi buss bust busu but- buti buts butt buus cbbc cbbs cbcc cbcn cbcs cbct cbcu cbgb cbit cbsc cbsi cbsn cbtc cbus ccbc ccbn cccb cccc ccci cccs cccu ccgc ccgs ccgt ccic ccii ccis ccnb ccnc ccni ccns ccnu ccsg ccsi ccsn ccss ccst cctb cctc cctt ccuc ccus ccut cgcc cgcg cggs cgis cgns cgsb cgss cgst cgtu cibc cibi cicc cici cics cict cicu cigi cigs cigu ciii ciis ciit cin- cinc cing cini cint cis- cisc cisn ciss cist citb citg citi cits citt citu ciuc cius cnbc cnci cngi cnib cnic cnss cntc cnut cscb cscc csci cscs csgn csib csis csit cstc cstg csts csus ctbi ctbs ctgu ctic ctns ctsc ctsn ctss ctsu cttn ctts cub- cubb cubi cubs cucc cuci cucn cui- cuin cuis cuit cunt cusb cusg cuss cust cusu cut- cutc cuts cutt gbbs gc-c gcbc gccc gccs gcic gcii gcss gcst gcsu gctc gcts ggbt gggg ggss gibb gibs gigg gigi gign gigs giis ging gini ginn gins ginu giss gist gits gius gncc gngc gnib gnin gnit gnti gnus gsis gtcs gubb gubi gubs gubu guci gugb gugg gugi gugu guib guin guis gung gunn guns gunt gusb guss gust guti guts gutt gutu guus ibcs ibis ibns ibsn ibss ibtb ibtc ibts ibus icbc icbs iccb iccc icci iccn iccs icct iccu icgc icis icnb icnc icns icsb icsc icsi icss icst icts icub icus igbc igcc iggs igis igni igns ignu igus iiii iiis iiit iisc iisi iist iisu iitt iiuc incb inci incs ings inig inis init inni inns innu insc inss inst insu intg inti intn ints intu inui inun inus isbn isbt iscc isci iscn iscs isct iscu isgc isic isin isis isit isnt issc issi isss issu istc isti ists isus itbs itcs itgc itgs itic itin itis itsi itsu iucc iugs iuiu iuss iust n-ii nbbc nbcc nbci nbcs nbic nbti ncbc ncbi ncbs nccc ncci nccn nccs ncct nccu ncgs ncis ncit ncnc ncsc ncsi ncss ncst nctc ngic ngns ngsn ngtn ngts nguu nibi nibs nicc nici nics nicu nigc nigg nigs nigt niit niiu ning nini nins nisi niss nist nisu nitb nitc niti nits nngn 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 nugs nuin nuit nunc nung nunn nuns nunt nusi nuss nust nusu nuts nutt nutu s-ib s-ic s-ii sbbs sbcc sbcs sbct sbic sbig sbsi sbst sbtc sbtn sbus scbi sccc sccs scct scgs sci- scic scin scis scit scnt scsc scsi scsn scst scsu sctc sctn scts scub scug scun scut sgcb sgcg sggg sggs sgic sgss sgts sibc sibi sibs sibu sicc sici sics sicu sigg sigi sign sigs siit sing sini sinn sins sint sinu sisc sisi siss sist sisu sit- sitc siti sitn sits sitt situ siui sius siut sncc snib snig snit snns snub snug snus ssbn sscc ssci sscs ssgs ssgt ssin ssis ssit ssns sssb sssc sssi ssss sstb sstc ssts stbc stbs stcc stcs stcu stib stic stig stis stit stng stnn stns stsi stss sttc stub stuc stug stun stus stut sub- subb subg subi subs suc- succ suci sucs sug- sugg sugi suig suin suis suit sun- sunb sung suni sunn suns sunt sunu sus- susi suss sust susu suti sutu suus tbbs tbcb tbcc tbgs tbit tbst tcbs tccc tccu tcnn tctc tcts tgcc tgtc tgts tibi tibs tibu ticc tics tigi tigs tiit tiiu tinc ting tini tinn tins tint tinu tisb tisi tiss tist titc titi tits titt titu tnbc tncc tngs tnts tnut tsbc tscc tscg tsgt tsig tsin tsis tssg tssi tsst tstc tsts tsui tsun ttbb ttcn ttss tttt tubb tubs tubu tucc tugg tugs tugu tuig tuin tuis tuit tuiu tunb tunc tung 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 ugcc ugcg uggs uggt ugis ugni uguu uint uist uits uncc uncg unci uncs unct ungu uni- unic unii unin unis unit unni unns uns- unsc unsg unst untb unts unus unut usbc usbs uscc uscg uscs usin usis usnc usnu ussb ussc usss usst ussu ustb ustc usti usts usui usun usus utin utis utsc utti uttu utug uuni uusi uuuu