-er eee eek eem eer ees eie eii eik eim eir eis eiu eke eki ekr eks eku em- eme emi emk emm emr ems emu ere eri erk erm err ers eru es- ese esi esk esm esr ess esu eu- eue eui eur eus ie- iee iei iek iem ier ies iie iii iim iir iis iiu ike iki ikk ikr iks iku im- ime imi imm ims imu ir- ire iri irk irm irr irs iru is- ise isi isk ism isr iss isu iu- iue iui ium iur ius ke- kee kei kek kem ker kes kie kii kik kim kir kis kiu kke kki kkk kkm kkr kks kku kme kmi kmk kmm kms kmu kri krk krr krs kru kse ksi ksk ksm ksr kss ksu kue kui kuk kum kur kus kuu m-r mee mei mek mem mer mes meu mi- mie mii mik mim mir mis miu mke mkk mkm mkr mks mku mme mmi mmk mmm mmr mms mmu mre mri mrk mrm mrr mrs mru mse msi msk msm msr mss msu mue mui muk mum mur mus muu re- ree rei rek rem rer res reu rie rii rik rim rir ris rke rkk rkm rks rku rme rmi rmm rmr rms rri rrk rrm rrr rrs rru rse rsi rsk rsm rsr rss rsu rue rui ruk rum rur rus ruu se- see sei sek sem ser ses seu sie sii sik sim sir sis siu sk- ske ski skk skm skr sks sku sme smi smk smm smr sms smu sr- sre sri srk srm srr srs ss- sse ssi ssk ssm ssr sss ssu sue sui suk sum sur sus suu uee uei uem uer ues uie uii uim uir uis uiu uke uki ukk ukr uku um- ume umi umm umr ums umu ur- ure uri urk urm urr urs uru use usi usk usm usr uss usu uue uum uur uus uuu