-er -ic c-- ccc ccd cce cci ccl ccr ccz cdc cdd cde cdi cdl cdr cdz ce- cec ced cee cei cel cer cez ci- cic cid cie cii cil cir cl- clc cld cle cli cll clr clz crc crd cre cri crl crr crz cz- czc czd cze dcc dcd dce dci dcl dcr ddc ddd dde ddi ddl ddr ddz de- dec ded dee dei del der dez di- dic did die dii dil dir diz dl- dlc dld dle dli dll dlr drc drd dre dri drl drr drz dzd dze dzi dzr ec- ecc ecd ece eci ecl ecr ed- edc edd ede edi edl edr eec eed eee eel eer eic eid eie eii eil eir elc eld ele eli ell elr elz erc erd ere eri erl err erz eze ezr ezz i-d icc icd ice ici icl icr icz idc idd ide idi idl idr ie- iec ied iee iei iel ier iic iid iie iii iil iir il- ilc ild ile ili ill ilr ilz ir- irc ird ire iri irl irr ize izi izz lcc lcd lce lci lcl lcr ldc ldd lde ldi ldl ldr lec led lee lei lel ler lez lic lid lie lii lil lir liz llc lld lle lli lll llr llz lrc lrd lri lrr lrz lzi lzr rcc rcd rce rci rcl rcr rdc rdd rde rdi rdl rdr re- rec red ree rei rel rer rez ric rid rie rii ril rir riz rlc rld rle rli rll rlr rrc rrd rri rrl rrr rze zce zcl zec zed zee zel zer zez zid zie zil zir ziz zlr zrl zzr zzz