-er eee eek eem eeo eer ees eet eie eii eik eim eio eir eis eit eke eki eko ekr eks ekt em- eme emi emk emm emo emr ems emt eo- eoe eoi eok eom eoo eor eos eot ere eri erk erm ero err ers ert es- ese esi esk esm eso esr ess est ete eti etk etm eto etr ets ett ie- iee iei iek iem ier ies iet iie iii iim iio iir iis iit ike iki ikk iko ikr iks ikt im- ime imi imm imo ims imt io- ioe ioi iom ioo ior ios iot ir- ire iri irk irm iro irr irs irt is- ise isi isk ism iso isr iss ist ite iti itk itm ito its itt k-t ke- kee kei kek kem keo ker kes ket kie kii kik kim kio kir kis kit kke kki kkk kkm kkr kks kkt kme kmi kmk kmm kmo kms kmt koe koi kok kom koo kor kos kot kri krk kro krr krs krt kse ksi ksk ksm kso ksr kss kst kte ktk ktm kto ktr kts ktt m-o m-r mee mei mek mem meo mer mes met mi- mie mii mik mim mio mir mis mit mke mkk mkm mko mkr mks mkt mme mmi mmk mmm mmo mmr mms mmt moe moi mok mom moo mor mos mot mre mri mrk mrm mro mrr mrs mrt mse msi msk msm mso msr mss mst mte mti mtk mtm mto mtr mts mtt o-i oee oei oem oeo oer oes oet oie oii oik oim oio oir ois oit oke oki okk oko okr oks om- ome omi omm omo omr oms omt oo- ooi ook oom ooo oor oos oot or- ore ori ork orm oro orr ors ort os- ose osi osk osm oso osr oss ost ot- ote oti otk otm oto otr ots ott re- ree rei rek rem reo rer res ret rie rii rik rim rio rir ris rit rke rkk rkm rko rks rkt rme rmi rmm rmo rmr rms rmt roe roi rok rom roo ror ros rot rri rrk rrm rrr rrs rrt rse rsi rsk rsm rso rsr rss rst rte rti rtk rtm rto rtr rts rtt se- see sei sek sem seo ser ses set sie sii sik sim sio sir sis sit sk- ske ski skk skm sko skr sks skt sme smi smk smm smo smr sms smt soe soi sok som soo sor sos sot sr- sre sri srk srm sro srr srs srt ss- sse ssi ssk ssm sso ssr sss sst ste sti stk stm sto str sts stt te- tee tei tek tem teo ter tes tet tie tii tik tim tio tir tis tit tke tkk tkm tko tkr tks tkt tme tmi tmk tmm tmo tmr tms tmt to- toe toi tok tom too tor tos tot tre tri trk trm tro trr trs trt tse tsi tsk tsm tso tsr tss tst tte tti ttk ttm tto ttr tts ttt