-er ddd dde ddl ddp ddr ddz de- ded dee del dep der dez dl- dld dle dll dlp dlr dpd dpe dpl dpp dpr dpz drd dre drl drp drr drz dzd dze dzp dzr ed- edd ede edl edp edr eed eee eel eep eer eld ele ell elp elr elz ep- epd epe epl epp epr epz erd ere erl erp err erz eze ezr ezz l-p ldd lde ldl ldp ldr led lee lel lep ler lez lld lle lll llp llr llz lpd lpe lpl lpp lpr lpz lrd lrp lrr lrz lzr p-p pdd pde pdl pdp pdr pdz ped pee pel pep per pez pld ple pll plp plr plz ppd ppe ppl ppp ppr ppz prd pre prl prp prr prz pzl pzp rdd rde rdl rdp rdr re- red ree rel rep rer rez rld rle rll rlp rlr rpd rpe rpl rpp rpr rpz rrd rrl rrp rrr rze zed zee zel zep zer zez zlr zpe zpl zpp zpr zrl zrp zzr zzz