-er c-- ccc ccd cce ccl ccp ccr ccz cdc cdd cde cdl cdp cdr cdz ce- cec ced cee cel cep cer cez cl- clc cld cle cll clp clr clz cpc cpd cpe cpl cpp cpr cpz crc crd cre crl crp crr crz cz- czc czd cze dcc dcd dce dcl dcp dcr ddc ddd dde ddl ddp ddr ddz de- dec ded dee del dep der dez dl- dlc dld dle dll dlp dlr dpc dpd dpe dpl dpp dpr dpz drc drd dre drl drp drr drz dzd dze dzp dzr ec- ecc ecd ece ecl ecr ed- edc edd ede edl edp edr eec eed eee eel eep eer elc eld ele ell elp elr elz ep- epc epd epe epl epp epr epz erc erd ere erl erp err erz eze ezr ezz l-p lcc lcd lce lcl lcp lcr ldc ldd lde ldl ldp ldr lec led lee lel lep ler lez llc lld lle lll llp llr llz lpc lpd lpe lpl lpp lpr lpz lrc lrd lrp lrr lrz lzr p-p pcc pcd pce pcl pcp pcr pdc pdd pde pdl pdp pdr pdz pec ped pee pel pep per pez plc pld ple pll plp plr plz ppc ppd ppe ppl ppp ppr ppz prc prd pre prl prp prr prz pzc pzl pzp rcc rcd rce rcl rcp rcr rdc rdd rde rdl rdp rdr re- rec red ree rel rep rer rez rlc rld rle rll rlp rlr rpc rpd rpe rpl rpp rpr rpz rrc rrd rrl rrp rrr rze zce zcl zec zed zee zel zep zer zez zlr zpc zpe zpl zpp zpr zrl zrp zzr zzz