-ic bbb bbc bbh bbi bbk bbr bbs bcb bcc bch bci bck bcr bcs bhb bhc bhh bhi bhk bhr bhs bi- bib bic bih bii bik bir bis bkb bkc bkk bkr bks brb brh bri brk brr brs bsb bsc bsh bsi bsk bsr bss c-- cbb cbc cbh cbi cbk cbr cbs ccb ccc cch cci cck ccr ccs ch- chb chc chh chi chk chr chs ci- cib cic cih cii cik cir cis ckb ckc ckh cki cks crb crc crh cri crk crr crs csb csc csh csi csk csr css h-i hbb hbc hbh hbi hbk hbr hbs hcb hcc hch hci hck hcr hcs hhb hhc hhh hhi hhk hhr hhs hib hic hih hii hik hir his hkb hkh hki hkk hkr hks hr- hrb hrc hrh hri hrk hrr hrs hsb hsc hsh hsi hsk hsr hss ibb ibc ibh ibi ibk ibr ibs icb icc ich ici ick icr ics ihb ihc ihh ihi ihk ihr ihs iib iic iih iii iir iis ikb ikc iki ikk ikr iks ir- irb irc iri irk irr irs is- isb isc ish isi isk isr iss kbb kbc kbh kbi kbk kbr kbs kcb kcc kch kci kck kcr kcs khh khi khk khr khs kib kic kih kii kik kir kis kkb kkc kkh kki kkk kkr kks krc kri krk krr krs ksb ksc ksh ksi ksk ksr kss rbb rbc rbh rbi rbk rbr rbs rcb rcc rch rci rcr rcs rh- rhb rhc rhh rhi rhr rhs rib ric rih rii rik rir ris rkb rkc rkk rks rrb rrc rrh rri rrk rrr rrs rsb rsc rsh rsi rsk rsr rss sbb sbc sbh sbi sbk sbr sbs scb scc sch sci sck scr scs sh- shb shc shh shi shk shr shs sib sic sih sii sik sir sis sk- skb skc skh ski skk skr sks sr- srb src srh sri srk srr srs ss- ssb ssc ssh ssi ssk ssr sss

bbbb bbbs bbch bbci bbhs bbrc bcbc bcbs bccc bcci bccs bchs bcis bcrs bcsc bcss bhcc bhhs bhir bibb bibi bibs bicc bich bici bick bics bihi bihs biis bikh birb biri birk birr birs bis- bisc bish bisk biss bkhs brcb brhs bric brih brik bris brkb brrr brrs brsb brsr bsci bscs bshs bsic bssc cbbc cbbs cbcc cbcr cbcs cbhs cbir cbkr cbrh cbsc cbsi ccbc cccb cccc ccci cccs cchr cchs ccic ccii ccir ccis ccrc ccri ccrs ccsi ccss chch chci chcs chhs chib chic chih chik chir chis chkb chks chrb chrc chrr chrs chsc chsh chsi chsr cibc cibi cicc cich cici cicr cics cihr cihs ciii ciis cikr cirb circ cirh ciri cirk cirr cirs cis- cisc cish cisk cisr ciss ckbc ckbi ckch ckck ckcs ckhs ckrc cksb cksh crbc crcc crcr crhs crib cric crik cris crkc crss cscb cscc csch csci cscr cscs cshs csib csik csir csis csks csrc csrs cssr h-ii hbbs hbhs hbic hbrs hbss hcbc hcbs hccb hccc hcch hccs hchi hchs hcis hcsc hcss hhhh hhhs hi-c hibi hicc hich hick hics hihc hihi hiis hiki hiri hirk hirs hisb hish hiss hkcc hkcs hkir hkis hrhs hrib hrrc hsbc hscc hsci hshs hski ibcs ibis ibrc ibri ibss icbc icbs iccb iccc icci iccr iccs ichc ichi ichr ichs icis icks icrc icrr icrs icsb icsc icsh icsi icsr icss ihcc ihis ihrc ihss iiii iiis iirc iirs iisc iisi iisr ikki ikri ircc ircs irhs iri- iric iris irki irks irrc irri irrs iscc isch isci iscr iscs ishi ishk ishr ishs isic isis isri issc issh issi issr isss k-ci kbbb kbbc kbbi kbbk kbbr kbbs kbcb kbch kbci kbck kbcr kbcs kbhb kbhc kbhh kbhi kbhr kbhs kbib kbic kbik kbis kbkb kbkk kbkr kbrb kbrc kbrh kbri kbrk kbsb kbsi kbsk kbsr kbss kcbc kcbi kcbk kcbr kcbs kccb kccc kcci kcck kccr kchh kchi kchk kchr kchs kcic kcii kcir kcis kckc kckk kckr kcrc kcrh kcri kcrr kcrs kcsb kcsc kcsi kcsr kcss khbc khbr khbs khcb khcc khch khck khcs khhk khhs khic khii khis khki khkk khkr khks khri khrk khrr khsi khss kibb kibc kibi kibr kibs kicb kicc kick kicr kics kihc kihh kihi kihk kihr kihs kiic kiii kiik kiis kikc kiki kikk kikr kirb kirc kiri kirk kirr kirs kisc kish kisi kisk kisr kiss kkbb kkbi kkbr kkbs kkcb kkch kkci kkck kkcr kkcs kkhb kkhh kkhi kkhk kkhr kkic kkik kkkk kkrb kkrc kkrh kkrk kkrr kkrs kksi kksr kkss krbb krbi krbk krbr krcb krcc krch krci krcs krhc krhs krib krik kris krkc krkh krki krkk krkr krks krrb krrc krri krrk krrr krrs krsc krsh krsk krsr krss ksbc ksbh ksbi ksbr ksbs kscb ksch ksci ksck kscr kscs kshb kshi kshk kshr kshs ksib ksii ksik ksir ksis kskb kskk kskr ksks ksrb ksrh ksrr ksrs kssi kssr ksss rbbb rbbr rbbs rbhs rbis rbss rcbc rccb rccc rccs rchb rchs rcic rcis rcsc rcsi rcss rhhs rhib rib- ribs ricc rich rick rics rihs riis riki rikk riri rirs risc rish risi risk riss rkss rrhs rrrr rsbi rscc rsch rscs rshs rsis s-ib s-ic s-ii sbbs sbcc sbcs sbhc sbhk sbhs sbic sbrk sbsi scbi sccc sccs sch- schh schi schr schs sci- scic scir scis sck- scr- scrc scri scrs scsc scsh scsi scsr shbs shcc shhh shhs shib shih shii shik shir shis shri shrs shsc sibc sibi sibs sicc sich sici sick sics sihi sihk sihr sihs siik sikh siki sikr siks sirc siri sirk sirr sirs sisc sish sisi sisk siss skhs skic skik skir skis skss srbc srcc srch srhs srib sris ssbr sscc ssci sscs sshs ssis ssrc ssri ssrs sssb sssc sssh sssi ssss

b-r-k bbsrc bibbs bibic bibis bibri bichi bicsi biisk birch birck birks birrs birsk bisch bishi bisks brich brick brics brisb brish