-er eee eek eel eer eet eke ekl ekr ekt ele elk ell elr elt elz ere erk erl err ert erz ete etk etl etr ett etz eze ezr ezz k-t k-z ke- kee kek kel ker ket kez kke kkk kkl kkr kkt kl- klr klt klz krk krl krr krt kte ktk ktl ktr ktt lee lek lel ler let lez lkl lkr lkt lle llk lll llr llt llz lrk lrr lrt lrz lte ltk ltl ltr ltt ltz lzr re- ree rek rel rer ret rez rke rkk rkt rkz rle rll rlr rlt rrk rrl rrr rrt rte rtk rtl rtr rtt rtz rze te- tee tek tel ter tet tez tke tkk tkl tkr tkt tkz tle tlk tll tlr tlt tlz tre trk trl trr trt trz tte ttk ttl ttr ttt tze zee zek zel zer zet zez zlr zlt zrl zte ztl ztr zzr zzt zzz