-er eee eek eel eem eer eie eii eik eil eim eir eke eki ekl ekr ele eli elk ell elm elr em- eme emi emk eml emm emr ere eri erk erl erm err ie- iee iei iek iel iem ier iie iii iil iim iir ike iki ikk ikl ikr il- ile ili ilk ill ilm ilr im- ime imi iml imm ir- ire iri irk irl irm irr ke- kee kei kek kel kem ker kie kii kik kil kim kir kke kki kkk kkl kkm kkr kl- kli klm klr kme kmi kmk kml kmm kri krk krl krr lee lei lek lel lem ler lie lii lik lil lim lir lkl lkr lle lli llk lll llm llr lme lmi lmk lml lmm lmr lri lrk lrm lrr m-r mee mei mek mel mem mer mi- mie mii mik mil mim mir mke mkk mkl mkm mkr mle mli mlk mll mlm mlr mme mmi mmk mml mmm mmr mre mri mrk mrl mrm mrr re- ree rei rek rel rem rer rie rii rik ril rim rir rke rkk rkm rle rli rll rlm rlr rme rmi rml rmm rmr rri rrk rrl rrm rrr