-er -ic bbb bbc bbe bbi bbr bcb bcc bce bci bcr be- beb bec bee bei ber bi- bib bic bie bii bir brb bre bri brr c-- cbb cbc cbe cbi cbr ccb ccc cce cci ccr ce- ceb cec cee cei cer ci- cib cic cie cii cir crb crc cre cri crr ebb ebc ebe ebi ebr ec- ecb ecc ece eci ecr eeb eec eee eer eib eic eie eii eir erb erc ere eri err ibb ibc ibe ibi ibr icb icc ice ici icr ie- iec iee iei ier iib iic iie iii iir ir- irb irc ire iri irr rbb rbc rbe rbi rbr rcb rcc rce rci rcr re- reb rec ree rei rer rib ric rie rii rir rrb rrc rri rrr

bbbb bbci bbeb bbrc bcbc bccc bcci bcec bcer bcie bebb bebe bebi beci beeb beer beic beir berc bere beri berr bibb bibe bibi bicc bice bici bieb bier birb bire biri birr brcb brce breb brec bree brei brer bric brie brrr cbbc cbcc cbce cbcr cbec cbee cber cbir cbre ccbc cccb cccc ccci ccee ccic ccii ccir ccrc ccre ccri cec- cece ceci ceeb ceec cer- cerc cere ceri cibc cibe cibi cicc cici cicr ciee cier ciii cirb circ cire ciri cirr crbc crcc crce crcr cre- creb crec cree crei crib cric crie ebbc ebbr ebcc eber ebic ecbc ecbe eccb eccc ecce ecci ecib ecrc ecri ecrr eeee eerc eiec eiei eier eire erbb erbe ercc erce ereb erec erei erer eric erie errc erre i-be ibec ibie ibrc ibri icbc iccb iccc icci iccr icec icee icer icrc icre icrr iecc ieie iere ieri iiie iiii iirc irbe ircc iree irer iri- iric irie irrc irre irri rbbb rbbr rcbc rccb rccc rcic rebb rebe recc rece reci recr reeb reii reir rere reri rib- ribe ricc rice rier rire riri rrrr

bbbee be-er beber bebic becic beebe beeri beibi beice beier beire berbe berec berei berie berre berri bibbe biber bibic bibie bibri bicer biebe biere bieri birie brece breer brere bribe brice briec brier brrrr ccccc cccii cciii cebec ceber ceci- cecie cecri ceere cerc- cerce cerci cerec cerer ceric cerie cerre ciber cibir cicer circe ciric cirie cirr- cirri crebe crece creer cribb cribe crice crier ebber ebbie ebibe eeeee eerie eirie erbbe erber erere erice erier eriic icbrr iceci icici icier iecee ieiri ierei iiiee iiiii ircii irece rcirc rebbe rebec reber recce reece reere reice rere- reree reric rerir ribbi ribce riber ribie ricci ricer ririe

bbbbbb becice beebee beiber berbee berber berere berrer berric berrie bibber bibice bibiri bieber bierce bircii biribi breere bribe- bribee briber bribir bribri cebeci ceecee cercie cerice cerici cibber cicree cirice cirici cirri- ebr-ii ebrie ecrier ecrire eebree eerier erbree ericii i-bere i-crei iberic rebbec rebice recice reiber ribber ribbie ribibe ribici ribier ricice rieber

bbbbbbb beerier berbere berberi berbice berrier biercee briere cerbere cercier cerebr- cerebri circice crebri- cri-cri cribber erberie ice-ice icebeer iercici iricici rebribe recibir recrei- ribbier

bbbbbbbb beberibe berebere beriberi brieerie cerebri- cerebric e-i-e-i- i-ii-iii rere-rib ricebeer

beebeebee eerieerie

bbbbbbbbbbbbbbb ccccccccccccccc