-er -ol c-- ccc cce ccl cco ccr ccz ce- cec cee cel ceo cer cez cl- clc cle cll clo clr clz co- coc coe col coo cor coz crc cre crl cro crr crz cz- czc cze czo ec- ecc ece ecl eco ecr eec eee eel eeo eer elc ele ell elo elr elz eo- eoc eoe eol eoo eor erc ere erl ero err erz eze ezo ezr ezz lcc lce lcl lco lcr lec lee lel leo ler lez llc lle lll llo llr llz loc loe lol loo lor loz lrc lro lrr lrz lzo lzr oc- occ ocl oco ocr ocz oec oee oel oeo oer olc ole oll olo oo- ooc ool ooo oor or- orc ore orl oro orr orz oze ozo ozz rcc rce rcl rco rcr re- rec ree rel reo rer rez rlc rle rll rlo rlr roc roe rol roo ror roz rrc rrl rrr rze rzo zce zcl zco zec zee zel zeo zer zez zlr zo- zoc zoe zol zoo zor zrl zro zzr zzz