-er eee eek eem eer ees eet eke ekr eks ekt eku em- eme emk emm emr ems emt emu ere erk erm err ers ert eru es- ese esk esm esr ess est esu ete etk etm etr ets ett etu eu- eue eur eus eut k-t ke- kee kek kem ker kes ket kke kkk kkm kkr kks kkt kku kme kmk kmm kms kmt kmu krk krr krs krt kru kse ksk ksm ksr kss kst ksu kte ktk ktm ktr kts ktt ktu kue kuk kum kur kus kut kuu m-r mee mek mem mer mes met meu mke mkk mkm mkr mks mkt mku mme mmk mmm mmr mms mmt mmu mre mrk mrm mrr mrs mrt mru mse msk msm msr mss mst msu mte mtk mtm mtr mts mtt mtu mue muk mum mur mus mut muu re- ree rek rem rer res ret reu rke rkk rkm rks rkt rku rme rmm rmr rms rmt rrk rrm rrr rrs rrt rru rse rsk rsm rsr rss rst rsu rte rtk rtm rtr rts rtt rtu rue ruk rum rur rus rut ruu se- see sek sem ser ses set seu sk- ske skk skm skr sks skt sku sme smk smm smr sms smt smu sr- sre srk srm srr srs srt ss- sse ssk ssm ssr sss sst ssu ste stk stm str sts stt stu sue suk sum sur sus sut suu te- tee tek tem ter tes tet teu tke tkk tkm tkr tks tkt tme tmk tmm tmr tms tmt tmu tre trk trm trr trs trt tru tse tsk tsm tsr tss tst tsu tte ttk ttm ttr tts ttt ttu tue tuk tum tur tus tut tuu uee uem uer ues uet uke ukk ukr uku um- ume umm umr ums umt umu ur- ure urk urm urr urs urt uru use usk usm usr uss ust usu ute utk utm utr uts utt utu uue uum uur uus uut uuu