-nik bbbb bbbs bbci bbin bbrc bbwc bbwr bbws bcbc bcbs bccc bcci bccs bcis bcnu bcrs bcru bcsc bcsn bcss bcuc bibb bibi bibs bicc bici bick bics biin biis biku bin- binc bini bink binn bins binu birb biri birk birn birr birs biru bis- bisc bisk biss bisu biw- bnib bnin bnrr bnss brcb brcw bric brik brin bris brkb brns brrr brrs brsb brsr bruc brun brus bsci bscs bsic bsin bsns bssc bubb bubi bubs bubu bucc buci buck bucs bucu buic buik buin buir buis buiu buki bukk buku bunb buni bunk bunn buns bunu bur- burb buri burk burn burr burs buru busc busi busk buss busu buus bwin cbbc cbbs cbcc cbcn cbcr cbcs cbcu cbir cbkn cbkr cbrn cbsc cbsi cbsn cbus ccbc ccbn cccb cccc ccci cccs cccu ccic ccii ccir ccis cciw cckw ccnb ccnc ccni ccnr ccns ccnu ccrc ccri ccrs ccsi ccsn ccss ccuc ccus cibc cibi cicc cici cicr cics cicu ciii ciis cikr cin- cinc cini cink cinw cirb circ ciri cirk cirr cirs cis- cisc cisk cisn cisr ciss ciuc cius ciws ciww ckbc ckbi ckck ckcs ckcw ckin cknb cknc ckns cknw ckrc ckrw cksb cksw ckwr ckws ckww cnbc cnci cnib cnic cnki cnrc cnrr cnss crbc crbu crcc crcr crib cric crik crin cris criu crkc crns crss crub cruk crun crus cscb cscc csci cscr cscs csib csik csir csis csks csrc csrs cssr csur csus cswk csws cub- cubb cubi cubs cucc cuci cuck cucn cui- cuin cuir cuis cuk- curb curi curn curr curs cusb cusk cuss cusu cuws cwis cwrw ibcs ibis ibns ibrc ibri ibsn ibss ibus ibwc icbc icbs iccb iccc icci iccn iccr iccs iccu icis icks icnb icnc icns icrc icrr icrs icru icrw icsb icsc icsi icsr icss icub icus icws iiii iiis iirc iirs iisc iisi iisr iisu iiuc iiwi ikin ikki ikri iksu incb inci incr incs inis inki inks inni innr inns innu inri inrs insc inss insu inui inuk inun inus inw- inwi ircc ircs ircu iri- iric irin iris irki irks irrc irri irrs irun irus isbn iscc isci iscn iscr iscs iscu isic isin isis isku isri issc issi issr isss issu isus iswc iswn iucc iuiu iuss iwcc iwin iwis iwiw k-ci kbbb kbbc kbbi kbbk kbbr kbbs kbbu kbbw kbcb kbci kbck kbcr kbcs kbcu kbcw kbib kbic kbik kbis kbiu kbkb kbkk kbkr kbkw kbnn kbnr kbnu kbnw kbrb kbrc kbri kbrk kbrn kbru kbrw kbsb kbsi kbsk kbsn kbsr kbss kbsu kbsw kbub kbuc kbuk kbun kbur kbus kbuu kbuw kbwb kbwc kbww kcbc kcbi kcbk kcbr kcbs kcbu kcbw kccb kccc kcci kcck kccr kccu kcic kcii kcin kcir kcis kciu kckc kckk kckn kckr kcnb kcni kcnr kcns kcnw kcrc kcri kcrn kcrr kcrs kcru kcrw kcsb kcsc kcsi kcsn kcsr kcss kcsu kcub kcui kcuk kcwb kcwc kcwk kcwn kcwr kcwu kibb kibc kibi kibr kibs kibu kicb kicc kick kicr kics kicw kiic kiii kiik kiis kiiu kikc kiki kikk kikr kiku kin- kinb kinc kini kink kinn kins kinu kirb kirc kiri kirk kirn kirr kirs kiru kisc kisi kisk kisn kisr kiss kisu kisw kiun kiur kiuu kiwb kiwi kiwr kkbb kkbi kkbn kkbr kkbs kkcb kkci kkck kkcn kkcr kkcs kkcw kkic kkik kkin kkkk kknb kkni kknn kkns kknu kknw kkrb kkrc kkrk kkrn kkrr kkrs kksi kksn kksr kkss kksu kksw kkus kkuu kkwb kkwk kkwn kkws knbb knbc knbn knbr knbu kncb knci knck kncn kncr kncu kncw knib knic knik knin knir knis knki knkk knnb knnk knnr knns knnw knrb knrk knrs knsb knsc knsi knsk knsn knsr knss knsu knsw knub knui knuk knur knus knuw knwb knwc knwi knwr knws knwu krbb krbi krbk krbr krbw krcb krcc krci krcn krcs krcu krcw krib krik krin kris krkc krki krkk krkn krkr krks krku krkw krnb krni krnk krnn krnu krrb krrc krri krrk krrn krrr krrs krrw krsc krsk krsn krsr krss krsu krsw kruc krui kruk krun krur krwb krwc krwk krwn krwr ksbc ksbi ksbn ksbr ksbs ksbw kscb ksci ksck kscn kscr kscs kscu ksib ksii ksik ksir ksis ksiw kskb kskk kskn kskr ksks ksku ksnb ksnc ksnk ksnn ksnr ksns ksnw ksrb ksrn ksrr ksrs ksrw kssi kssn kssr ksss kssu ksub ksui ksun ksuu ksuw kswb kswc kswi kswn ksws ksww kubb kubc kubr kubs kubu kucb kucc kuci kucr kucw kuic kuik kuin kuki kukk kukn kuks kuku kunc kuni kunk kunr kuns kunu kurb kuri kurk kurr kurs kuru kusb kusc kusn kusu kusw kuub kuuk kuur kuuu kuwc kuwi kuwn kuwr kuws kuww kwbc kwbi kwbn kwbu kwbw kwck kwcn kwcr kwic kwik kwin kwkb kwkc kwkk kwkr kwkw kwnc kwnr kwns kwnw kwrb kwri kwrk kwrn kwrr kwrs kwru kwrw kwsc kwsk kwsn kwss kwsu kwsw kwub kwur kwwk kwwn kwwr kwws n-ii nbbc nbcc nbci nbcs nbic ncbc ncbi ncbs nccc ncci nccn nccr nccs nccu ncis ncnc ncrc ncri ncsc ncsi ncss ncuk ncwc ncwk nibi nibs nicc nici nick nics nicu niir niiu nikc niki niks niku nini nins nirs niru nisi niss nisu niur nnnn nnss nrcs nric nrrc nrsc nscc nscs nsic nsin nsis nskk nsnr nsrc nssb nssc nssr nsss nsub nswr nubc nubi nubk nubs nuci nuck nucs nucu nuik nuin nuki nuku nunc nunk nunn nuns nurc nuri nurn nurr nurs nuru nusi nuss nusu nusw nuuk nwbn nwbw nwss rbbb rbbr rbbs rbis rbss rcbc rccb rccc rccs rcic rcis rcnr rcsc rcsi rcss rib- ribs ribu ricc rick rics riin riis riki rikk riku rink rinn riri rirs risc risi risk riss risu rius rkss rnbr rncs rnin rrrr rrun rsbi rscc rscn rscs rsis rsnn rsnr rubb rubi rubs rubu ruci ruck ruin ruis ruki rukk rukn ruku runc runi runk runn runs rurc ruri rurs ruru rusi rusk russ rusu ruun ruwi rwcs rwik s-ib