-er -ic bbb bbc bbe bbi bbk bbl bbr bcb bcc bce bci bck bcl bcr be- beb bec bee bei bek bel ber bi- bib bic bie bii bik bil bir bkb bkc bke bkk bkl bkr blb blc ble bli blk bll blr brb bre bri brk brl brr c-- cbb cbc cbe cbi cbk cbl cbr ccb ccc cce cci cck ccl ccr ce- ceb cec cee cei cek cel cer ci- cib cic cie cii cik cil cir ckb ckc cki cl- clb clc cle cli clk cll clr crb crc cre cri crk crl crr ebb ebc ebe ebi ebk ebl ebr ec- ecb ecc ece eci eck ecl ecr eeb eec eee eek eel eer eib eic eie eii eik eil eir ekb ekc eke eki ekl ekr elb elc ele eli elk ell elr erb erc ere eri erk erl err ibb ibc ibe ibi ibk ibl ibr icb icc ice ici ick icl icr ie- iec iee iei iek iel ier iib iic iie iii iil iir ikb ikc ike iki ikk ikl ikr il- ilb ilc ile ili ilk ill ilr ir- irb irc ire iri irk irl irr kbb kbc kbe kbi kbk kbl kbr kcb kcc kce kci kck kcl kcr ke- keb kec kee kei kek kel ker kib kic kie kii kik kil kir kkb kkc kke kki kkk kkl kkr kl- klb klc kli klr krc kri krk krl krr lbb lbc lbe lbi lbk lbl lbr lcb lcc lce lci lck lcl lcr leb lec lee lei lek lel ler lib lic lie lii lik lil lir lkb lkl lkr llb llc lle lli llk lll llr lrb lrc lri lrk lrr rbb rbc rbe rbi rbk rbl rbr rcb rcc rce rci rcl rcr re- reb rec ree rei rek rel rer rib ric rie rii rik ril rir rkb rkc rke rkk rlc rle rli rll rlr rrb rrc rri rrk rrl rrr

bbbb bbci bbeb bblb bbrc bcbc bccc bcci bccl bcec bcer bcie bebb bebe bebi beci beck beeb beek beel beer beic beik beil beir beke beki bele beli belk bell berc bere beri berk berr bibb bibe bibi bibl bicc bice bici bick bieb biel bier bike bile bili bilk bill birb bire biri birk birl birr bleb blee blei blek blic blik blir blkb blrc brcb brce breb brec bree brei brek brel brer bric brie brik bril brkb brrr cbbc cbcc cbce cbcl cbcr cbec cbee cber cbir cbkl cbkr cblb cblc cbre cbrl ccbc cccb cccc ccci cccl ccee ccel ccic ccii ccil ccir cclc ccli ccrc ccre ccri ccrl cec- cece ceci ceeb ceec ceel ceil ceke cel- celc cele celi cell cer- cerc cere ceri cerl cibc cibe cibi cicc cici cicr ciee ciel cier ciii cikr cili cilk cill cirb circ cire ciri cirk cirl cirr ckbc ckbe ckbi ckck ckcl cker ckrc clec clee clei clek cler clib clic clii clik clir clri crbc crcc crce crcr cre- creb crec cree crei crib cric crie crik crkc crkl e-cl ebbc ebbr ebcc ebel eber ebic ebli ecbc ecbe eccb eccc ecce ecci eccl ecib ecil ecrc ecri ecrl ecrr eeee eeke eele eerc eick eiec eiei eier eike eiki eile eire ekeb ekek eker ekki el-b elbe elbi elcb elce elec elee elek eler elic elie elik elil elke elki elle elli erbb erbe ercc erce ereb erec erei erel erer eric erie erik eril erke erki erle erli erll errc erre i-be ibec ibie ible ibrc ibri icbc iccb iccc icci iccl iccr icec icee icel icer icke icle icll iclr icrc icre icrr iecc ieie iele iere ieri iiie iiii iirc ikee iker ikki ikri ilbc ilce ile- ilec ilek iler ilic ilie ilir ilke ilki ill- ille illi ilre irbe ircc iree irel irer iri- iric irie iril irki irlb irrc irre irri k-ci kbbb kbbc kbbe kbbi kbbk kbbl kbbr kbcb kbce kbci kbck kbcl kbcr kbeb kbec kbee kbek kbel kber kbib kbic kbie kbik kbil kbkb kbkk kbkl kbkr kblb kble kbll kblr kbrb kbrc kbre kbri kbrk kbrl kcbc kcbi kcbk kcbl kcbr kccb kccc kcci kcck kccl kccr kceb kcec kcee kcei kcel kcic kcie kcii kcil kcir kckc kckk kckl kckr kclc kcle kcli kclk kcll kclr kcrc kcri kcrr kebb kebc kebe kebi kebr keck kecr keek keel keer keib keii keik keil keir kekb kekc keke keki kekl kele keli kelk kell ker- kerb kerc kere keri kerk kerl kerr kibb kibc kibe kibi kibl kibr kicb kicc kice kick kicl kicr kiel kier kiic kiii kiik kikc kiki kikk kikr kilb kile kili kilk kill kilr kirb kirc kiri kirk kirr kkbb kkbe kkbi kkbl kkbr kkcb kkci kkck kkcl kkcr kkic kkik kkkk kklb kklc kkli kkll kkrb kkrc kkre kkrk kkrl kkrr klbb klbc klbe klbl klcb klcc klce klci klck klcl klcr kleb klec klee klek kler klib klic klik klil klir klkc klkk klkl klkr kllb kllc klle kllk klrc klrk klrr krbb krbe krbi krbk krbl krbr krcb krcc krce krci krcl kreb krec kree krei krek krib krik kril krkc krke krki krkk krkr krlc krle krrb krrc krre krri krrk krrl krrr lbcc lblr lcbc lccc lcce lcer lcrl lece leck leek leel leer leib leic leie leik leil leir leke leki lekk lele leli lell lerc lere lerk libc libe libr lice lick licr lieb liek liel lier liii liir like lilb lile lili lill lirc lire liri lirk lirl lirr llcc lllc llll lric lrrc lrrr rbbb rbbr rbcl rble rcbc rccb rccc rcic rcle rebb rebe rebk recc rece reci reck recr reeb reek reel reii reik reil reir reke reki relb rele rell rere reri rib- ribe ricc rice rick riek riel rier rike riki rikk rile rill rire riri rlee rrle rrrr

b-r-k bbbee bcell be-er bebek bebel beber bebic becel becic becke becki beebe beeke beele beeli