-er eee eek eel eem eer eke ekl ekr ele elk ell elm elr elz em- eme emk eml emm emr ere erk erl erm err erz eze ezr ezz k-z ke- kee kek kel kem ker kez kke kkk kkl kkm kkr kl- klm klr klz kme kmk kml kmm kmz krk krl krr lee lek lel lem ler lez lkl lkr lle llk lll llm llr llz lme lmk lml lmm lmr lrk lrm lrr lrz lzr m-r mee mek mel mem mer mez mke mkk mkl mkm mkr mkz mle mlk mll mlm mlr mme mmk mml mmm mmr mmz mre mrk mrl mrm mrr mrz mzm re- ree rek rel rem rer rez rke rkk rkm rkz rle rll rlm rlr rme rml rmm rmr rrk rrl rrm rrr rze rzm zee zek zel zem zer zez zlr zmk zmm zrl zzr zzz