-ic bbb bbc bbh bbi bbk bbo bbs bcb bcc bch bci bck bco bcs bhb bhc bhh bhi bhk bho bhs bi- bib bic bih bii bik bio bis bkb bkc bkk bko bks bob boc boh boi bok boo bos bsb bsc bsh bsi bsk bso bss c-- cbb cbc cbh cbi cbk cbo cbs ccb ccc cch cci cck cco ccs ch- chb chc chh chi chk cho chs ci- cib cic cih cii cik cio cis ckb ckc ckh cki cko cks co- cob coc coh coi cok coo cos csb csc csh csi csk cso css h-i hbb hbc hbh hbi hbk hbo hbs hcb hcc hch hci hck hco hcs hhb hhc hhh hhi hhk hho hhs hib hic hih hii hik hio his hkb hkh hki hkk hko hks hob hoc hoh hoi hok hoo hos hsb hsc hsh hsi hsk hss ibb ibc ibh ibi ibk ibo ibs icb icc ich ici ick ico ics ihb ihc ihh ihi ihk iho ihs iib iic iih iii iio iis ikb ikc iki ikk iko iks io- iob ioc ioh ioi ioo ios is- isb isc ish isi isk iso iss kbb kbc kbh kbi kbk kbo kbs kcb kcc kch kci kck kcs khh khi khk kho khs kib kic kih kii kik kio kis kkb kkc kkh kki kkk kks kob koc koh koi kok koo kos ksb ksc ksh ksi ksk kso kss o-i ob- obb obc obh obi obk obo obs oc- ocb occ och oci ock oco ocs ohc ohh ohi oho ohs oib oic oii oik oio ois okb okc oki okk oko oks oo- oob ooc ooh ooi ook ooo oos os- osb osc osh osi osk oso oss sbb sbc sbh sbi sbk sbo sbs scb scc sch sci sck sco scs sh- shb shc shh shi shk sho shs sib sic sih sii sik sio sis sk- skb skc skh ski skk sko sks sob soc soh soi sok soo sos ss- ssb ssc ssh ssi ssk sso sss

bbbb bbbs bbch bbci bbhs bcbc bcbs bccc bcci bccs bchs bcis bcos bcsc bcss bhcc bhhs bhoi bibb bibi bibo bibs bicc bich bici bick bico bics bihi bihs biis bikh biko bio- bioc bioi bios bis- bisc bish bisk biso biss bkhs bobb bobi bobo bobs boch bock boco bocs boho bohs boi- boii bois boki boko boks boob booc booh book boos bosc bosh bosi bosk boso boss bsci bscs bshs bsic bsos bssc c-bo cbbc cbbs cbcc cbcs cbhs cbko cbsc cbsi ccbc cccb cccc ccci cccs cchs ccic ccii ccis ccob ccoc ccsi ccss chch chci chcs chhs chib chic chih chik chis chkb chks choc choh choi chok choo chos chsc chsh chsi cibc cibi cibo cicc cich cici cico cics cihs ciii ciis ciko ciob cios cis- cisc cish cisk ciss ckbc ckbi ckch ckck ckco ckcs ckhs ckob ckoc ckoi ckoo ckos cksb cksh ckso cobb cobh cobi cobo cobs coch cock coco coho cohs cois cok- coko coob cooh cook coos cosc cosh cosi coso coss cscb cscc csch csci csco cscs cshs csib csik csio csis csks csob csos h-ii hbbs hbhs hbic hbio hboc hbos hbss hcbc hcbs hccb hccc hcch hccs hchi hchs hcis hcsc hcso hcss hhhh hhhs hi-c hibi hicc hich hick hico hics hihc hihi hiho hiis hiki hiob hioc hisb hish hiss hkcc hkcs hkis hobo hobs hoch hock hocs hoho hoik hois hoki hoko hoks hook hoos hosh hoss hsbc hscc hsci hshs hski hsob ibcs ibis ibos ibss icbc icbs iccb iccc icci icco iccs ichc ichi icho ichs icis icks icoc icos icsb icsc icsh icsi icss ihcc ihis ihob ihss iiii iiio iiis iioi iioo iios iisc iisi ikki ikko ikoo iobi ioci ioii ioio ioko iooi iooo ioos ioso iscc isch isci isco iscs ishi ishk ishs isic isis isko iso- isoc isok isos issc issh issi isso isss k-ci k-os kbbb kbbc kbbi kbbk kbbo kbbs kbcb kbch kbci kbck kbco kbcs kbhb kbhc kbhh kbhi kbhs kbib kbic kbik kbio kbis kbkb kbkk kbko kbob kboc kboi kbok kboo kbos kbsb kbsi kbsk kbso kbss kcbc kcbi kcbk kcbs kccb kccc kcci kcck kchh kchi kchk kcho kchs kcic kcii kcis kckc kckk kcko kcob kcoh kcos kcsb kcsc kcsi kcss khbc khbs khcb khcc khch khck khcs khhk khho khhs khic khii khio khis khki khkk khks khob khoc khoi khok khsi khss kibb kibc kibi kibo kibs kicb kicc kick kics kihc kihh kihi kihk kiho kihs kiic kiii kiik kiis kikc kiki kikk kiko kioc kioh kioi kiok kioo kisc kish kisi kisk kiso kiss kkbb kkbi kkbo kkbs kkcb kkch kkci kkck kkco kkcs kkhb kkhh kkhi kkhk kkic kkik kkkk kkob kkoh kkoo kksi kkss kobb kobc kobi kobk kobo kobs kocb koch koci kock kocs kohh kohi koho kohs koii kokb kokc kokh koki kokk koko koks koob kooc kooi kook kooo koos kos- kosb kosc kosh kosi koso koss ksbc ksbh ksbi ksbs kscb ksch ksci ksck ksco kscs kshb kshi kshk ksho kshs ksib ksii ksik ksis kskb kskk ksko ksks ksob ksoc ksoi ksok ksoo ksos kssi ksso ksss obbo obhs obis obkb oboi obok obos obss ocbc occc occi ochi ochs ocis ocks ocos ohcc ohhi ohho ohhs ohio ohis ohob ohoh ohok ohos ohso ohss oici oick oiii oiko oiks oios oisc okic okko okok oksi okso oobi ooho oohs oooh oooo ooos oosi oscc osci osco oshc oshi osho oshs osii osik osis oski osoi osoo osos ossb ossi osso s-ib s-ic s-ii s-os sbbs sbcc sbcs sbhc sbhk sbhs sbic sbsi scbi sccc sccs sch- schh schi scho schs sci- scic scio scis sck- scob scoh scok scoo scsc scsh scsi scso shbs shcc shhh shhs shib shih shii shik shio shis shok shoo shos shsc sibc sibi sibo sibs sicc sich sici sick sico sics sihi sihk sihs siik