-er eee eek eel eep eer eke ekl ekp ekr ele elk ell elp elr elz ep- epe epl epp epr epz ere erk erl erp err erz eze ezr ezz k-z ke- kee kek kel kep ker kez kke kkk kkl kkp kkr kl- klr klz kpe kpk kpl kpp kpr krk krl krp krr l-p lee lek lel lep ler lez lkl lkp lkr lle llk lll llp llr llz lpe lpk lpl lpp lpr lpz lrk lrp lrr lrz lzr p-p pee pek pel pep per pez pke pkl pkp pkr ple plk pll plp plr plz ppe ppk ppl ppp ppr ppz pre prk prl prp prr prz pzk pzl pzp re- ree rek rel rep rer rez rke rkk rkp rkz rle rll rlp rlr rpe rpk rpl rpp rpr rpz rrk rrl rrp rrr rze zee zek zel zep zer zez zlr zpe zpl zpp zpr zrl zrp zzr zzz