-er eee eel eep eer ele ell elp elr elz ep- epe epl epp epr epz ere erl erp err erz eze ezr ezz l-p lee lel lep ler lez lle lll llp llr llz lpe lpl lpp lpr lpz lrp lrr lrz lzr p-p pee pel pep per pez ple pll plp plr plz ppe ppl ppp ppr ppz pre prl prp prr prz pzl pzp re- ree rel rep rer rez rle rll rlp rlr rpe rpl rpp rpr rpz rrl rrp rrr rze zee zel zep zer zez zlr zpe zpl zpp zpr zrl zrp zzr zzz