-er eee eek eel eer eet eie eii eik eil eir eit eke eki ekl ekr ekt ele eli elk ell elr elt elz ere eri erk erl err ert erz ete eti etk etl etr ett etz eze ezr ezz ie- iee iei iek iel ier iet iie iii iil iir iit ike iki ikk ikl ikr ikt il- ile ili ilk ill ilr ilt ilz ir- ire iri irk irl irr irt ite iti itk itl itt itz ize izi izz k-t k-z ke- kee kei kek kel ker ket kez kie kii kik kil kir kit kiz kke kki kkk kkl kkr kkt kl- kli klr klt klz kri krk krl krr krt kte ktk ktl ktr ktt lee lei lek lel ler let lez lie lii lik lil lir lit liz lkl lkr lkt lle lli llk lll llr llt llz lri lrk lrr lrt lrz lte lti ltk ltl ltr ltt ltz lzi lzr re- ree rei rek rel rer ret rez rie rii rik ril rir rit riz rke rkk rkt rkz rle rli rll rlr rlt rri rrk rrl rrr rrt rte rti rtk rtl rtr rtt rtz rze te- tee tei tek tel ter tet tez tie tii tik til tir tit tiz tke tkk tkl tkr tkt tkz tle tli tlk tll tlr tlt tlz tre tri trk trl trr trt trz tte tti ttk ttl ttr ttt tze zee zek zel zer zet zez zie zik zil zir zit ziz zlr zlt zrl zte ztl ztr zzr zzt zzz