-ic -up b-p b-u bbb bbc bbe bbi bbk bbo bbp bbu bcb bcc bce bci bck bco bcp bcu be- beb bec bee bei bek beo bep beu bi- bib bic bie bii bik bio bip biu bkb bkc bke bkk bko bkp bob boc boe boi bok boo bop bou bpb bpc bpe bpi bpo bpp bpu bub buc bue bui buk buo bup buu c-- cbb cbc cbe cbi cbk cbo cbp cbu ccb ccc cce cci cck cco ccp ccu ce- ceb cec cee cei cek ceo cep ceu ci- cib cic cie cii cik cio cip ciu ckb ckc cki cko co- cob coc coe coi cok coo cop cou cpb cpc cpe cpi cpk cpo cpp cpu cub cuc cue cui cuk cuo cup cuu ebb ebc ebe ebi ebk ebo ebp ebu ec- ecb ecc ece eci eck eco ecu eeb eec eee eek eeo eep eib eic eie eii eik eio eip eiu ekb ekc eke eki eko ekp eku eo- eob eoc eoe eoi eok eoo eop eou ep- epb epc epe epi epo epp epu eu- eub euc eue eui eup ibb ibc ibe ibi ibk ibo ibp ibu icb icc ice ici ick ico icp icu ie- iec iee iei iek iep iib iic iie iii iio iip iiu ikb ikc ike iki ikk iko iku io- iob ioc ioe ioi ioo iop iou ipb ipc ipe ipi ipo ipp ipu iu- iub iuc iue iui iup kbb kbc kbe kbi kbk kbo kbp kbu kcb kcc kce kci kck kcp kcu ke- keb kec kee kei kek keo kep kib kic kie kii kik kio kip kiu kkb kkc kke kki kkk kkp kku kob koc koe koi kok koo kop kou kpc kpe kpi kpk kpo kpp kpu kub kuc kue kui kuk kup kuu o-i ob- obb obc obe obi obk obo obp obu oc- ocb occ oci ock oco ocp ocu oeb oec oee oei oeo oep oib oic oie oii oik oio oip oiu okb okc oke oki okk oko okp oku oo- oob ooc ooi ook ooo oop op- opb opc ope opi opk opo opp ou- ouc oue oui ouk ouo oup p-p pbb pbc pbe pbi pbk pbo pbp pbu pcb pcc pce pci pck pco pcp pcu peb pec pee pei pek peo pep peu pib pic pie pii pik pio pip piu pkb pkc pke pki pko pkp pku pob poc poe poi pok poo pop pou ppb ppc ppe ppi ppk ppo ppp ppu pub puc pue pui puk pup puu ubb ubc ube ubi ubk ubo ubp ubu ucb ucc uce uci uck uco ucp ucu ueb uec uee uei uep uib uic uie uii uio uip uiu ukb ukc uke uki ukk ukp uku uob uoc uoe uok uoo uop up- upb upc upe upi upk upo upp upu uuc uue uuu

bbbb bbci bbeb bcbc bcbp bccc bcci bcec bcie bcpp bcuc bcup bebb bebe bebi bebo beci beck becu beeb beek beep beic beik beke beki beko beo- beok bepo beuk bibb bibe bibi bibo bicc bice bici bick bico bieb bieu bike biko biku bio- bioc bioi biou bipp bipu bobb bobe bobi bobo bobu boce bock boco bocu boec boee boeo boep boi- boie boii boiu boke boki boko boku boob booc booe book boop bope bopp boue bouk boup bpcp bpoe bubb bube bubi bubo bubu bucc buce buci buck buco bucu bueu buic buie buik buiu buke buki bukk buko buku bupc c-bo cbbc cbcc cbce cbcp cbcu cbec cbee cbko cbpc cbpp ccbc cccb cccc ccci cccp cccu ccee ccic ccii ccip ccob ccoc ccpe ccpp ccuc ccup cebp cebu cec- cece ceci ceco cecp ceeb ceec ceip ceke ceop ceou cepc cepe cepo cepp ceui cibc cibe cibi cibo cicc cici cico cicu ciee ciii ciko ciob cipo cipp ciuc ciup ckbc ckbe ckbi ckck ckco ckob ckoc ckoi ckoo ckpc cobb cobe cobi cobo cobu coce cock coco cocp cocu coep coip cok- coke coko coob cook coop cope copi copo copp coub coue couk coup cpbc cpce cpcu cpeb cpep cpic cpio cub- cubb cube cubi cucc cuce cuci cuck cuek cui- cuk- cuke cupe cupo cupp ebbc ebbo ebcc ebic eboe eboo ebpo ecbc ecbe eccb eccc ecce ecci ecco ecib ecip ecko eco- ecop ecou ecpp eeee eeke eeoc eick eico eiec eiei eike eiki eiko eiou eipo ekco ekeb ekek ekki ekoi ekpe ekpo epcc epci epec epee epi- epic epie epik epip epoc eppc eppo eppp epub eubc eubi euoi i-be ibec ibie icbc icbp iccb iccc icci icco iccp iccu icec icee icke icoc icpc icpo icub icue icup iecc ieie ieio iiie iiii iiio iioi iioo iiop iiuc ikee ikki ikko ikoo ikue ikuo iobi ioci iocp ioee ioii ioio ioke ioko iooi iooo ipbk ipcc ipce ipec ipek ipie ipko ipoe ipop ippc ippo iucc iuce iuiu iupp k-ci kbbb kbbc kbbe kbbi kbbk kbbo kbbu kbcb kbce kbci kbck kbco kbcu kbeb kbec kbee kbek kbeo kbib kbic kbie kbik kbio kbiu kbkb kbkk kbko kbob kboc kboe kboi kbok kboo kbpc kbpe kbpi kbpk kbpo kbpu kbub kbuc kbue kbuk kbup kbuu kcbc kcbi kcbk kcbu kccb kccc kcci kcck kccu kceb kcec kcee kcei kceo kcep kceu kcic kcie kcii kciu kckc kckk kcko kcob kcoe kcou kcpc kcpi kcpo kcpu kcub kcue kcui kcuk kcup kebb kebc kebe kebi kebu keck keco keek keep keib keii keik keio kekb kekc keke keki keko keku keok kep- kepc kepe kepi kepu keup kibb kibc kibe kibi kibo kibu kicb kicc kice kick kicp kieu kiic kiii kiik kiip kiiu kikc kiki kikk kiko kiku kioc kioe kioi kiok kioo kiou kip- kipe kipi kipo kipp kipu kiup kiuu kkbb kkbe kkbi kkbo kkcb kkci kkck kkco kkic kkik kkkk kkob kkoo kkpc kkpk kkup kkuu kobb kobc kobe kobi kobk kobo kobu kocb koci kock kocp