-ic b-u bbb bbc bbh bbi bbk bbr bbs bbu bcb bcc bch bci bck bcr bcs bcu bhb bhc bhh bhi bhk bhr bhs bhu bi- bib bic bih bii bik bir bis biu bkb bkc bkk bkr bks brb brh bri brk brr brs bru bsb bsc bsh bsi bsk bsr bss bsu bub buc buh bui buk bur bus buu c-- cbb cbc cbh cbi cbk cbr cbs cbu ccb ccc cch cci cck ccr ccs ccu ch- chb chc chh chi chk chr chs chu ci- cib cic cih cii cik cir cis ciu ckb ckc ckh cki cks crb crc crh cri crk crr crs cru csb csc csh csi csk csr css csu cub cuc cuh cui cuk cur cus cuu h-i hbb hbc hbh hbi hbk hbr hbs hbu hcb hcc hch hci hck hcr hcs hhb hhc hhh hhi hhk hhr hhs hhu hib hic hih hii hik hir his hiu hkb hkh hki hkk hkr hks hku hr- hrb hrc hrh hri hrk hrr hrs hru hsb hsc hsh hsi hsk hsr hss hsu hub huc huh hui huk hur hus huu ibb ibc ibh ibi ibk ibr ibs ibu icb icc ich ici ick icr ics icu ihb ihc ihh ihi ihk ihr ihs ihu iib iic iih iii iir iis iiu ikb ikc iki ikk ikr iks iku ir- irb irc iri irk irr irs iru is- isb isc ish isi isk isr iss isu iu- iub iuc iui iur ius kbb kbc kbh kbi kbk kbr kbs kbu kcb kcc kch kci kck kcr kcs kcu khh khi khk khr khs khu kib kic kih kii kik kir kis kiu kkb kkc kkh kki kkk kkr kks kku krc kri krk krr krs kru ksb ksc ksh ksi ksk ksr kss ksu kub kuc kuh kui kuk kur kus kuu rbb rbc rbh rbi rbk rbr rbs rbu rcb rcc rch rci rcr rcs rcu rh- rhb rhc rhh rhi rhr rhs rhu rib ric rih rii rik rir ris rkb rkc rkk rks rku rrb rrc rrh rri rrk rrr rrs rru rsb rsc rsh rsi rsk rsr rss rsu rub ruc ruh rui ruk rur rus ruu sbb sbc sbh sbi sbk sbr sbs sbu scb scc sch sci sck scr scs scu sh- shb shc shh shi shk shr shs shu sib sic sih sii sik sir sis siu sk- skb skc skh ski skk skr sks sku sr- srb src srh sri srk srr srs ss- ssb ssc ssh ssi ssk ssr sss ssu sub suc suh sui suk sur sus suu ubb ubc ubh ubi ubk ubr ubs ubu ucb ucc uch uci uck ucr ucs ucu uhb uhc uhh uhi uhr uhs uhu uib uic uii uir uis uiu ukb ukc uki ukk ukr uku ur- urb urc uri urk urr urs uru usb usc ush usi usk usr uss usu uuc uur uus uuu

bbbb bbbs bbch bbci bbhs bbrc bcbc bcbs bccc bcci bccs bchs bcis bcrs bcru bcsc bcss bcuc bhcc bhhs bhir bhur bhuu bibb bibi bibs bicc bich bici bick bics bihi bihs bihu biis bikh biku birb biri birk birr birs biru bis- bisc bish bisk biss bisu bkhs brcb brhs bric brih brik bris brkb brrr brrs brsb brsr bruc bruh brus bsci bscs bshs bsic bssc bubb bubi bubs bubu bucc buch buci buck bucs bucu buhi buhr buhs buic buik buir buis buiu bukh buki bukk buku bur- burb burh buri burk burr burs buru busc bush busi busk buss busu buus cbbc cbbs cbcc cbcr cbcs cbcu cbhs cbir cbkr cbrh cbsc cbsi cbus ccbc cccb cccc ccci cccs cccu cchr cchs ccic ccii ccir ccis ccrc ccri ccrs ccsi ccss ccuc ccus chch chci chcs chhs chib chic chih chik chir chis chiu chkb chks chrb chrc chrr chrs chsc chsh chsi chsr chub chui chuk chur chus cibc cibi cicc cich cici cicr cics cicu cihr cihs ciii ciis cikr cirb circ cirh ciri cirk cirr cirs cis- cisc cish cisk cisr ciss ciuc cius ckbc ckbi ckch ckck ckcs ckhs ckrc cksb cksh crbc crbu crcc crcr crhs crib cric crik cris criu crkc crss crub cruk crus cscb cscc csch csci cscr cscs cshs csib csik csir csis csks csrc csrs cssr csur csus cub- cubb cubi cubs cucc cuci cuck cui- cuir cuis cuk- curb curi curr curs cusb cush cusk cuss cusu h-ii hbbs hbhs hbic hbrs hbss hcbc hcbs hccb hccc hcch hccs hchi hchs hcis hcsc hcss hhhh hhhs hhus hi-c hibi hibu hicc hich hick hics hihc hihi hiis hiiu hiki hiku hiri hirk hirs hiru hisb hish hiss hkbu hkcc hkcs hkir hkis hrhs hrib hrrc hsbc hscc hsci hshs hski hsur hubb hubi hubs huch huck hucs hucu huhi huhs huhu huib huik huir huis huki huri hurk hurr hurs huru hush husi husk huss huub huus ibcs ibis ibrc ibri ibss ibus icbc icbs iccb iccc icci iccr iccs iccu ichc ichi ichr ichs ichu icis icks icrc icrr icrs icru icsb icsc icsh icsi icsr icss icub icus ihcc ihis ihrc ihss ihub iiii iiis iirc iirs iisc iisi iisr iisu iiuc ikki ikri iksu ircc ircs ircu irhs iri- iric iris irki irks irrc irri irrs irus iscc isch isci iscr iscs iscu ishi ishk ishr ishs isic isis isku isri issc issh issi issr isss issu isuh isus iucc iuiu iuss k-ci kbbb kbbc kbbi kbbk kbbr kbbs kbbu kbcb kbch kbci kbck kbcr kbcs kbcu kbhb kbhc kbhh kbhi kbhr kbhs kbib kbic kbik kbis kbiu kbkb kbkk kbkr kbrb kbrc kbrh kbri kbrk kbru kbsb kbsi kbsk kbsr kbss kbsu kbub kbuc kbuk kbur kbus kbuu kcbc kcbi kcbk kcbr kcbs kcbu kccb kccc kcci kcck kccr kccu kchh kchi kchk kchr kchs kchu kcic kcii kcir kcis kciu kckc kckk kckr kcrc kcrh kcri kcrr kcrs kcru kcsb kcsc kcsi kcsr kcss kcsu kcub