-ic -ol bbb bbc bbh bbi bbk bbl bbo bbs bcb bcc bch bci bck bcl bco bcs bhb bhc bhh bhi bhk bhl bho bhs bi- bib bic bih bii bik bil bio bis bkb bkc bkk bkl bko bks blb blc blh bli blk bll blo bls bob boc boh boi bok bol boo bos bsb bsc bsh bsi bsk bsl bso bss c-- cbb cbc cbh cbi cbk cbl cbo cbs ccb ccc cch cci cck ccl cco ccs ch- chb chc chh chi chk chl cho chs ci- cib cic cih cii cik cil cio cis ckb ckc ckh cki cko cks cl- clb clc clh cli clk cll clo cls co- cob coc coh coi cok col coo cos csb csc csh csi csk csl cso css h-i hbb hbc hbh hbi hbk hbl hbo hbs hcb hcc hch hci hck hcl hco hcs hhb hhc hhh hhi hhk hhl hho hhs hib hic hih hii hik hil hio his hkb hkh hki hkk hkl hko hks hlb hlc hlh hli hll hlo hls hob hoc hoh hoi hok hol hoo hos hsb hsc hsh hsi hsk hsl hss ibb ibc ibh ibi ibk ibl ibo ibs icb icc ich ici ick icl ico ics ihb ihc ihh ihi ihk ihl iho ihs iib iic iih iii iil iio iis ikb ikc iki ikk ikl iko iks il- ilb ilc ilh ili ilk ill ilo ils io- iob ioc ioh ioi iol ioo ios is- isb isc ish isi isk isl iso iss kbb kbc kbh kbi kbk kbl kbo kbs kcb kcc kch kci kck kcl kcs khh khi khk kho khs kib kic kih kii kik kil kio kis kkb kkc kkh kki kkk kkl kks kl- klb klc klh kli klo kls kob koc koh koi kok kol koo kos ksb ksc ksh ksi ksk ksl kso kss lbb lbc lbh lbi lbk lbl lbo lbs lcb lcc lch lci lck lcl lco lcs lhb lhc lhh lhi lhk lho lhs lib lic lih lii lik lil lio lis lkb lkh lkl lks llb llc lli llk lll llo lls lob loc loh loi lok lol loo los lsb lsc lsh lsi lsk lsl lso lss o-i ob- obb obc obh obi obk obl obo obs oc- ocb occ och oci ock ocl oco ocs ohc ohh ohi ohl oho ohs oib oic oii oik oil oio ois okb okc oki okk okl oko oks olb olc oli olk oll olo ols oo- oob ooc ooh ooi ook ool ooo oos os- osb osc osh osi osk osl oso oss sbb sbc sbh sbi sbk sbl sbo sbs scb scc sch sci sck scl sco scs sh- shb shc shh shi shk shl sho shs sib sic sih sii sik sil sio sis sk- skb skc skh ski skk skl sko sks slb slc slh sli slk sll slo sls sob soc soh soi sok sol soo sos ss- ssb ssc ssh ssi ssk ssl sso sss

bbbb bbbs bbch bbci bbhs bblb bbls bcbc bcbs bccc bcci bccl bccs bchs bcis bcos bcsc bcsl bcss bhcc bhhs bhil bhoi bibb bibi bibl bibo bibs bicc bich bici bick bico bics bihi bihl bihs biis bikh biko bili bilk bill bilo bils bio- bioc bioi biol bios bis- bisc bish bisk bisl biso biss bkhs blhs blic blik blio blis blkb blls blob bloc blok bloo blss bobb bobi bobo bobs boch bock boco bocs bohl boho bohs boi- boii boil bois boki boko boks boli bolk boll bolo bols boob booc booh book bool boos bosc bosh bosi bosk boso boss bsci bscs bshs bsic bslc bsos bssc c-bo cbbc cbbs cbcc cbcl cbcs cbhl cbhs cbkl cbko cblb cblc cbol cbsc cbsi ccbc cccb cccc ccci cccl cccs cchl cchs ccic ccii ccil ccis cclc ccli ccls ccob ccoc ccsi ccsl ccss chch chci chcs chhs chib chic chih chik chil chis chkb chks chlc choc choh choi chok chol choo chos chsc chsh chsi cibc cibi cibo cicc cich cici cico cics cihs ciii ciis ciko cili cilk cill cilo cils ciob cios cis- cisc cish cisk cisl ciss ckbc ckbi ckch ckck ckcl ckco ckcs ckhs ckob ckoc ckoi ckoo ckos cksb cksh cksl ckso clhs clib clic clii clik clio clis clob clok cloo clos clsc cobb cobh cobi cobo cobs coch cock coco coho cohs coil cois cok- coko col- colb coli colk coll colo cols coob cooh cook cool coos cosc cosh cosi cosl coso coss cscb cscc csch csci cscl csco cscs cshl 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 hhcl hhhh hhhs hi-c hibi hicc hich hick hico hics hihc hihi hiho hiil hiis hiki hili hill hilo hils hiob hioc hisb hish hiss hkcc hkcl hkcs hkis hlhs hlik hlss hobo hobs hoch hock hocs hohl hoho hoik hoil hois hoki hoko hoks hol- holb holc holh holi holk holl holo hols hook hool hoos hosh hoss hsbc hscc hsci hshs hski hsls hsob ibcs ibis ibos ibss icbc icbs iccb iccc icci iccl icco iccs ichc ichi icho ichs icis icks icll icoc icos icsb icsc icsh icsi icss ihcc ihis ihob ihss iihl iiii iiio iiis iioi iioo iios iisc iisi ikki ikko ikoo ilbc ilic ilio ilis ilki ilks ill- illi illo ills iloc ilok iloo ilos iobi ioci ioii ioio ioko iolo iooi iooo ioos ioso isbl iscc isch isci isco iscs ishi ishk ishs isic isil isis isko isls iso- isoc isok isol isos issc issh issi isso isss k-ci k-lo k-os kbbb kbbc kbbi kbbk kbbl kbbo kbbs kbcb kbch kbci kbck kbcl kbco kbcs kbhb kbhc kbhh kbhi kbhl kbhs kbib kbic kbik kbil kbio kbis kbkb kbkk kbkl kbko kblb kbll kblo kbls kbob kboc kboi kbok kboo kbos kbsb kbsi kbsk kbso