-er eee eek eel eem eer eet eie eii eik eil eim eir eit eke eki ekl ekr ekt ele eli elk ell elm elr elt em- eme emi emk eml emm emr emt ere eri erk erl erm err ert ete eti etk etl etm etr ett ie- iee iei iek iel iem ier iet iie iii iil iim iir iit ike iki ikk ikl ikr ikt il- ile ili ilk ill ilm ilr ilt im- ime imi iml imm imt ir- ire iri irk irl irm irr irt ite iti itk itl itm itt k-t ke- kee kei kek kel kem ker ket kie kii kik kil kim kir kit kke kki kkk kkl kkm kkr kkt kl- kli klm klr klt kme kmi kmk kml kmm kmt kri krk krl krr krt kte ktk ktl ktm ktr ktt lee lei lek lel lem ler let lie lii lik lil lim lir lit lkl lkr lkt lle lli llk lll llm llr llt lme lmi lmk lml lmm lmr lmt lri lrk lrm lrr lrt lte lti ltk ltl ltm ltr ltt m-r mee mei mek mel mem mer met mi- mie mii mik mil mim mir mit mke mkk mkl mkm mkr mkt mle mli mlk mll mlm mlr mlt mme mmi mmk mml mmm mmr mmt mre mri mrk mrl mrm mrr mrt mte mti mtk mtl mtm mtr mtt re- ree rei rek rel rem rer ret rie rii rik ril rim rir rit rke rkk rkm rkt rle rli rll rlm rlr rlt rme rmi rml rmm rmr rmt rri rrk rrl rrm rrr rrt rte rti rtk rtl rtm rtr rtt te- tee tei tek tel tem ter tet tie tii tik til tim tir tit tke tkk tkl tkm tkr tkt tle tli tlk tll tlm tlr tlt tme tmi tmk tml tmm tmr tmt tre tri trk trl trm trr trt tte tti ttk ttl ttm ttr ttt