-er -ic bbb bbc bbe bbg bbi bbk bbr bcb bcc bce bcg bci bck bcr be- beb bec bee beg bei bek ber bgb bgc bge bgg bgi bgk bgr bi- bib bic bie big bii bik bir bkb bkc bke bkg bkk bkr brb bre brg bri brk brr c-- cbb cbc cbe cbg cbi cbk cbr ccb ccc cce ccg cci cck ccr ce- ceb cec cee ceg cei cek cer cgb cgc cge cgg cgi cgr ci- cib cic cie cig cii cik cir ckb ckc cki crb crc cre crg cri crk crr ebb ebc ebe ebg ebi ebk ebr ec- ecb ecc ece ecg eci eck ecr eeb eec eee eeg eek eer egb egc ege egg egi egr eib eic eie eig eii eik eir ekb ekc eke ekg eki ekr erb erc ere erg eri erk err gbc gbe gbg gbi gbk gbr gcb gcc gce gcg gci gck gcr ge- geb gec gee geg gei gek ger ggb ggc ggg ggi ggr gib gic gie gig gii gik gir gkb grb grc gre grg gri grk grr ibb ibc ibe ibg ibi ibk ibr icb icc ice icg ici ick icr ie- iec iee ieg iei iek ier igb igc ige igg igi igk igr iib iic iie iii iir ikb ikc ike iki ikk ikr ir- irb irc ire irg iri irk irr kbb kbc kbe kbi kbk kbr kcb kcc kce kcg kci kck kcr ke- keb kec kee keg kei kek ker kgb kgc kgi kib kic kie kig kii kik kir kkb kkc kke kki kkk kkr krc krg kri krk krr rbb rbc rbe rbg rbi rbk rbr rcb rcc rce rcg rci rcr re- reb rec ree reg rei rek rer rgb rgc rge rgg rgi rgk rgr rib ric rie rig rii rik rir rkb rkc rke rkg rkk rrb rrc rrg rri rrk rrr

bbbb bbci bbeb bbrc bbrg bcbc bcbg bccc bcci bcec bcer bcie bebb bebe bebi beci beck beeb beeg beek beer begg begi beic beik beir beke beki berc bere berg beri berk berr bibb bibe bibi bicc bice bicg bici bick bieb bier bigb bigc bige bigg bike birb bire birg biri birk birr brcb brce breb brec bree breg brei brek brer bric brie brig brik brkb brrr cbbc cbcc cbce cbcr cbec cbee cber cbgb cbir cbkg cbkr cbre ccbc cccb cccc ccci ccee ccgc ccic ccii ccir ccrc ccre ccrg ccri cec- cece ceci ceeb ceec cege ceke cer- cerc cere ceri cgcc cgcg cger cibc cibe cibi cicc cici cicr ciee cier cigi ciii cikr cirb circ cire ciri cirk cirr ckbc ckbe ckbi ckck cker ckrc crbc crcc crce crcr cre- creb crec cree creg crei crib cric crie crig crik crkc ebbc ebbr ebcc eber ebic ecbc ecbe eccb eccc ecce ecci ecib ecig ecrc ecri ecrr eeee eeke eerc eerg egbe egcc egcg egcr egec egee eger eggb egge eggi egir egre egri eick eiec eiei eier eige eigg eike eiki eire ekeb ekek eker ekki erbb erbe ercc erce ereb erec erei erer erg- ergg ergi eric erie erik erke erki errc erre gc-c gcbc gccc gcic gcii gcrg gebe gebi gece geck geek geer gege gegg geic geie geig geir geki gerb gere geri gggg gibb gibe gick gicr gier gige gigg gigi gire girg giri girk girr grbr grcc grce greb grec gree greg grib gric grie grig grrr i-be ibec ibeg ibge ibie ibrc ibri icbc iccb iccc icci iccr icec icee icer icgc icke icrc icre icrr iecc ieie iere ieri igbc igcc iger igkc igri iiie iiii iirc ikee iker ikig ikki ikri irbe ircc ircg iree irer iri- iric irie irig irki irrc irre irri k-ci kbbb kbbc kbbe kbbg kbbi kbbk kbbr kbcb kbce kbci kbck kbcr kbeb kbec kbee kbek kber kbgb kbge kbgg kbgr kbib kbic kbie kbig kbik kbkb kbkg kbkk kbkr kbrb kbrc kbre kbrg kbri kbrk kcbc kcbi kcbk kcbr kccb kccc kcci kcck kccr kceb kcec kcee kceg kcei kcgc kcgi kcgr kcic kcie kcii kcir kckc kckk kckr kcrc kcrg kcri kcrr kebb kebc kebe kebi kebr kecg keck kecr keek keer kege kegg kegi kegk kegr keib keig keii keik keir kekb kekc keke keki ker- kerb kerc kere keri kerk kerr kgbb kgbc kgbr kgcb kgcc kgce kgcr kgeb kgec kggg kggi kggr kgir kgrb kgrc kgre kgrg kgri kgrk kgrr kibb kibc kibe kibg kibi kibr kicb kicc kice kicg kick kicr kier kigc kiic kiii kiik kikc kiki kikk kikr kirb kirc kiri kirk kirr kkbb kkbe kkbg kkbi kkbr kkcb kkci kkck kkcr kkeg kkgb kkgr kkic kkik kkkk kkrb kkrc kkre kkrk kkrr krbb krbe krbg krbi krbk krbr krcb krcc krce krcg krci kreb krec kree krei krek krgi krib krik krkc krke krki krkk krkr krrb krrc krre krrg krri krrk krrr rbbb rbbr rcbc rccb rccc rcgc rcic rcrg rebb rebe rebk recc rece reci reck recr reeb reek rege regi regr reii reik reir reke reki rere rerg reri rgbe rgbi rib- ribe ricc rice rick riek rier rige rigg rigi rike riki rikk rire riri rrrr

b-r-k bbbee be-er bebek beber bebic becic becke becki beebe beeke beeri begee begge begic beibi beice beier beige beire beker bekir bekke berbe berck berec bereg berei berek berge bergi berie berig berk- berke berre berri bibbe biber bibic bibie bibri bicer bicke biebe bieke biere bieri big-i bigge bigig biker bikie birck birgi birie brece breck breek breer breg- brege bregg breik breke brere bribe brice brick briec brieg brier brige brigg brigi brike brkic brrrr ccccc cccii cciii cebec ceber ceci- cecie cecri ceere cegge cerc- cerce cerci cerec cerer cerge ceric cerie cerik cerke cerre ciber cibir cicek cicer cicke cieck circe circk cirge ciric cirie cirke cirr- cirri ckick crebe crece creek creer cregg creke cribb cribe crice crick crier crike ebber ebbie eberg