-ing bbbb bbbs bbci bbdd bbin bbng bcbc bcbg bcbs bccc bcci bccs bcds bcgs bcis bcnu bcsc bcsn bcss bcuc bdbc bddc bdii bdin bdsd bggs bgun bibb bibi bibs bicc bicg bici bics bidi bids bidu bigb bigc bigd bigg bign bigs bigu biin biis bin- binc bind bing bini binn bins binu bis- bisc bisd biss bisu bnib bnin bnss bsbd bsci bscs bsgs bsic bsin bsnd bsns bssc bssd bubb bubi bubs bubu bucc buci bucs bucu budb budd budg budi buds budu bugg bugi bugs buic buid buin buis buiu bunb bund bung buni bunn buns bunu busc busi buss busu buus c-cd cbbc cbbs cbcc cbcn cbcs cbcu cbdb cbdc cbdi cbdn cbds cbgb cbid cbnd cbsc cbsi cbsn cbus ccbc ccbn cccb cccc ccci cccs cccu ccdc ccdi ccdn ccds ccgc ccgs ccic ccid ccii ccis ccnb ccnc ccni ccns ccnu ccsd ccsg ccsi ccsn ccss ccuc ccus cdcs cddb cdic cdii cdis cdnb cdnc cdss cgcc cgcg cggs cgis cgns cgsb cgss cibc cibi cicc cici cics cicu cidc cidg cidi cids cigi cigs cigu ciid ciii ciis cin- cinc cind cing cini cis- cisc cisd cisn ciss ciuc cius cnbc cnci cndd cngi cnib cnic cnid cnss cscb cscc cscd csci cscs csdb csdn csgn csib csid csis cssd csus cub- cubb cubi cubs cucc cuci cucn cudi cuds cui- cuin cuis cund cusb cusd cusg cuss cusu dbcc dbcs dbss dbus dcbc dccb dccc dcci dccs dccu dcdb dcds dcgs dcii dcis dcns dcsc dcsg dcss dddd ddss ddub dgsb dgsi dgsn dibb dibs dici didi dids didu digg digi digs diii diis din- dinc ding dini dinn dins dinu dis- disc disd disg disi diss dius dncs dnic dnis dnsc dnus dsbc dscc dscn dscs dsgn dsng dssc dssi dssn dub- dubb dubc dubs dubu ducs dudd duds dudu dugs dugu duid duin duis dunc dung dunn duns dusi gbbs gc-c gcbc gccc gccs gcds gcic gcii gcss gcsu gdci gddb gdsc gggg ggss gibb gibs gidc gidd gidi gids gigg gigi gign gigs giis ging gini ginn gins ginu gisd giss gius gncc gngc gnib gnin gnus gsds gsis gubb gubi gubs gubu guci gudi gudu gugb gugg gugi gugu guib guid guin guis gund gung gunn guns gusb gusd guss guus ibcs ibid ibis ibns ibsn ibss ibus icbc icbd icbs iccb iccc icci iccn iccs iccu icdc icdd icgc icis icnb icnc icns icsb icsc icsd icsi icss icub icus idic idid idig idin idis idsc idss idub idun idus igbc igcc iggs igis igni igns ignu igus iicd iiii iiis iisc iisd iisi iisu iiuc inbd incb incd inci incs ind- indc indi inds indu ings inid inig inis inni inns innu insc inss insu inui inun inus isbd isbn iscc iscd isci iscn iscs iscu isdb isdc isdn isds isgc isic isin isis issc issi isss issu isus iucc iuds iugs iuiu iusd iuss n-ii nbbc nbcc nbci nbcs nbic ncbc ncbi ncbs nccc ncci nccn nccs nccu ncdc ncdn ncds ncdu ncgs ncid ncis ncnc ncnd ncsc ncsi ncss ndcc ndcs nddb ndic ndsi ndss ngdc ngic ngns ngsn nguu nibi nibs nicc nicd nici nics nicu nidd nidi nids nigc nigg nigs niiu nind ning nini nins nisd nisi niss nisu nndb nngn nnnn nnss nscc nscd nscs nsdg nsds nsic nsin nsis nssb nssc nsss nsub nubc nubi nubs nuci nucs nucu nudc nudd nudi nugs nuin nunc nung nunn nuns nusi nuss nusu s-ib s-ic s-ii sbbs sbcc sbcs sbds sbic sbig sbsd sbsi sbus scbi sccc sccs scdc scdg scds scgs sci- scic scid scin scis scnd scsc scsd scsi scsn scsu scub scud scug scun sdcc sddc sdds sdgs sdib sdic sdsc sdss sdsu sgcb sgcd sgcg sggg sggs sgic sgsd sgss sibc sibi sibs sibu sicc sici sics sicu sidd sidi sids sigd sigg sigi sign sigs sind sing sini sinn sins sinu sisc sisd sisi siss sisu siui sius sncc snib snid snig snns snsd snub snug snus ssbn sscc ssci sscs ssdc ssdd ssgs ssid ssin ssis ssns sssb sssc sssi ssss sub- subb subd subg subi subs suc- succ suci sucs sudd sudi suds sug- sugg sugi suid suig suin suis sun- sunb sund sung suni sunn suns sunu sus- susd susi suss susu suus ubbi ubic ubid ubii ubis ubud ucbc ucci ucdc ucdd ucin ucsb ucsc ucsd ucsu udbc uddi udds udgb udic udid udig udin udsd udun ugcc ugcg uggs ugis ugni uguu uisd unbd uncc uncg unci uncs undi unds ungu uni- unic unii unin unis unni unns uns- unsc unsg unus usbc usbs uscc uscg uscs usdc usds usin usis usnc usnu ussb ussc usss ussu usui usun usus uuni uusi uuuu