-er eee eek eem eer ees eet eie eii eik eim eir eis eit eke eki ekr eks ekt em- eme emi emk emm emr ems emt ere eri erk erm err ers ert es- ese esi esk esm esr ess est ete eti etk etm etr ets ett ie- iee iei iek iem ier ies iet iie iii iim iir iis iit ike iki ikk ikr iks ikt im- ime imi imm ims imt ir- ire iri irk irm irr irs irt is- ise isi isk ism isr iss ist ite iti itk itm its itt k-t ke- kee kei kek kem ker kes ket kie kii kik kim kir kis kit kke kki kkk kkm kkr kks kkt kme kmi kmk kmm kms kmt kri krk krr krs krt kse ksi ksk ksm ksr kss kst kte ktk ktm ktr kts ktt m-r mee mei mek mem mer mes met mi- mie mii mik mim mir mis mit mke mkk mkm mkr mks mkt mme mmi mmk mmm mmr mms mmt mre mri mrk mrm mrr mrs mrt mse msi msk msm msr mss mst mte mti mtk mtm mtr mts mtt re- ree rei rek rem rer res ret rie rii rik rim rir ris rit rke rkk rkm rks rkt rme rmi rmm rmr rms rmt rri rrk rrm rrr rrs rrt rse rsi rsk rsm rsr rss rst rte rti rtk rtm rtr rts rtt se- see sei sek sem ser ses set sie sii sik sim sir sis sit sk- ske ski skk skm skr sks skt sme smi smk smm smr sms smt sr- sre sri srk srm srr srs srt ss- sse ssi ssk ssm ssr sss sst ste sti stk stm str sts stt te- tee tei tek tem ter tes tet tie tii tik tim tir tis tit tke tkk tkm tkr tks tkt tme tmi tmk tmm tmr tms tmt tre tri trk trm trr trs trt tse tsi tsk tsm tsr tss tst tte tti ttk ttm ttr tts ttt