-er eee eek eem eer eew eie eii eik eim eir eke eki ekr em- eme emi emk emm emr emw ere eri erk erm err erw ewe ewi ewk ewm ewr eww ie- iee iei iek iem ier iie iii iim iir iiw ike iki ikk ikr im- ime imi imm imw ir- ire iri irk irm irr iwe iwi iwk iwm iwr iww ke- kee kei kek kem ker kew kie kii kik kim kir kke kki kkk kkm kkr kme kmi kmk kmm kmw kri krk krr krw kw- kwi kwk kwm kww m-r m-w mee mei mek mem mer mew mi- mie mii mik mim mir mke mkk mkm mkr mme mmi mmk mmm mmr mmw mre mri mrk mrm mrr mrw mwe mwi mwk mwm mwr mww re- ree rei rek rem rer rew rie rii rik rim rir rke rkk rkm rme rmi rmm rmr rri rrk rrm rrr rwe rwi rwm rwr wee wei wek wem wer wew wie wii wik wim wir wke wkm wkr wkw wm- wme wmi wmk wmm wmr wr- wre wri wrk wrm wrr wrw wwe wwi wwm www