-ic b-u bbb bbc bbe bbi bbk bbl bbt bbu bcb bcc bce bci bck bcl bct bcu be- beb bec bee bei bek bel bet beu bi- bib bic bie bii bik bil bit biu bkb bkc bke bkk bkl bkt blb blc ble bli blk bll blt blu btb btc bte bti btk btl btt btu bub buc bue bui buk bul but buu c-- cbb cbc cbe cbi cbk cbl cbt cbu ccb ccc cce cci cck ccl cct ccu ce- ceb cec cee cei cek cel cet ceu ci- cib cic cie cii cik cil cit ciu ckb ckc cki ckt cl- clb clc cle cli clk cll clt clu ctb ctc cte cti ctk ctl ctt ctu cub cuc cue cui cuk cul cut cuu ebb ebc ebe ebi ebk ebl ebt ebu ec- ecb ecc ece eci eck ecl ect ecu eeb eec eee eek eel eet eib eic eie eii eik eil eit eiu ekb ekc eke eki ekl ekt eku elb elc ele eli elk ell elt elu etb etc ete eti etk etl ett etu eu- eub euc eue eui eul eut ibb ibc ibe ibi ibk ibl ibt ibu icb icc ice ici ick icl ict icu ie- iec iee iei iek iel iet iib iic iie iii iil iit iiu ikb ikc ike iki ikk ikl ikt iku il- ilb ilc ile ili ilk ill ilt ilu itb itc ite iti itk itl itt itu iu- iub iuc iue iui iut k-t kbb kbc kbe kbi kbk kbl kbu kcb kcc kce kci kck kcl kct kcu ke- keb kec kee kei kek kel ket kib kic kie kii kik kil kit kiu kkb kkc kke kki kkk kkl kkt kku kl- klb klc kli klt klu ktb ktc kte ktk ktl ktt ktu kub kuc kue kui kuk kul kut kuu lbb lbc lbe lbi lbk lbl lbt lbu lcb lcc lce lci lck lcl lct lcu leb lec lee lei lek lel let leu lib lic lie lii lik lil lit liu lkb lkl lkt llb llc lle lli llk lll llt llu ltb ltc lte lti ltk ltl ltt ltu lub luc lue lui luk lul lut luu tbb tbc tbe tbi tbk tbl tbt tbu tcb tcc tce tci tck tcl tct tcu te- teb tec tee tei tek tel tet teu tib tic tie tii tik til tit tiu tkb tkc tke tkk tkl tkt tlc tle tli tlk tll tlt tlu ttb ttc tte tti ttk ttl ttt ttu tub tuc tue tui tuk tul tut tuu ubb ubc ube ubi ubk ubl ubt ubu ucb ucc uce uci uck ucl uct ucu ueb uec uee uei uel uet uib uic uie uii uil uit uiu ukb ukc uke uki ukk ukl uku ulb ulc ule uli ulk ull ult ulu utb utc ute uti utk utl utt utu uuc uue uut uuu

bbbb bbci bbeb bbet bblb bcbc bccc bcci bccl bcec bcet bcie bcit bctc bcuc bebb bebe bebi beci beck becu beeb beek beel beet beic beik beil beit beke beki bele beli belk bell belt belu betc bete beti bett betu beuk bibb bibe bibi bibl bicc bice bici bick bieb biel biet bieu bike biku bile bili bilk bill bilt bilu bitc bite bitt bitu blbt blcu bleb blee blei blek blet bleu blic blik blit blkb blub blue blut btcc btcl btec btek btie bttb bubb bube bubi bubu bucc buce buci buck bucu buel bueu buic buie buik buit buiu buke buki bukk buku bulb bule buli bulk bull bult bulu but- bute buti butt cbbc cbcc cbce cbcl cbct cbcu cbec cbee cbet cbit cbkl cblb cblc cbtc cbtl ccbc cccb cccc ccci cccl cccu ccee ccel ccic ccii ccil cclc ccli cctb cctc cctl cctt ccuc ccut cebu cec- cece ceci cect ceeb ceec ceel ceil ceke cel- celc cele celi cell celt cet- cete ceti ceui cibc cibe cibi cicc cici cict cicu ciee ciel ciii ciit cili cilk cill cilt citb cite citi citl citt citu ciuc ckbc ckbe ckbi ckck ckcl cktb clec clee clei clek clet cleu clib clic clii clik clit cltb cltc club clue clut ctbi ctec ctic ctle cub- cubb cube cubi cucc cuce cuci cuck cuek cui- cuil cuit cuk- cuke culb culc cule culk cull cult cut- cutc cute cutt e-cl ebbc ebcc ebel ebic ebit ebli ebul ecbc ecbe eccb eccc ecce ecci eccl ecct ecib ecil ecit eclt ect- ectc eeee eeke eele eetc eete eetu eick eiec eiei eike eiki eile eitb eitc eiti ekeb ekek eket ekki el-b elbe elbi elbu elcb elce elec elee elek elet elic elie elik elil elit elke elki elle elli ellu elte elue elui elul etbc etcc etec etee etel etic etik ette etti ettu etui eubc eubi eule i-be ibec ibet ibie ible ibtb ibtc ibtl icbc iccb iccc icci iccl icct iccu icec icee icel icet icke icle icll icub icue iecc ieet ieie iele iett iiie iiii iiit iitt iiuc ikee ikki ikue ilbc ilce ile- ilec ilek ilet ilic ilie ilit ilke ilki ilku ill- ille illi illt ilut itbe itec itek itel itet itic itie itil itll iucc iuce iuel iuiu k-ci kbbb kbbc kbbe kbbi kbbk kbbl kbbt kbbu kbcb kbce kbci kbck kbcl kbct kbcu kbeb kbec kbee kbek kbel kbet kbib kbic kbie kbik kbil kbit kbiu kbkb kbkk kbkl kblb kble kbll kblt kblu kbtb kbtc kbte kbtk kbtl kbtt kbub kbuc kbue kbuk kbul kbut kbuu kcbc kcbi kcbk kcbl kcbu kccb kccc kcci kcck kccl kcct kccu kceb kcec kcee kcei kcel kcet kceu kcic kcie kcii kcil kcit kciu kckc kckk kckl kclc kcle kcli kclk kcll kclt kclu kctb kctc kcte kcti kctu kcub kcue kcui kcuk kcul kebb kebc kebe kebi kebt kebu keck keek keel keet keib keii keik keil kekb kekc keke keki kekl keku kele keli kelk kell