-er eee eek eel eem eer ees eie eii eik eil eim eir eis eiu eke eki ekl ekr eks eku ele eli elk ell elm elr els elu em- eme emi emk eml emm emr ems emu ere eri erk erl erm err ers eru es- ese esi esk esl esm esr ess esu eu- eue eui eul eur eus ie- iee iei iek iel iem ier ies iie iii iil iim iir iis iiu ike iki ikk ikl ikr iks iku il- ile ili ilk ill ilm ilr ils ilu im- ime imi iml imm ims imu ir- ire iri irk irl irm irr irs iru is- ise isi isk isl ism isr iss isu iu- iue iui ium iur ius ke- kee kei kek kel kem ker kes kie kii kik kil kim kir kis kiu kke kki kkk kkl kkm kkr kks kku kl- kli klm klr kls klu kme kmi kmk kml kmm kms kmu kri krk krl krr krs kru kse ksi ksk ksl ksm ksr kss ksu kue kui kuk kul kum kur kus kuu lee lei lek lel lem ler les leu lie lii lik lil lim lir lis liu lkl lkr lks lle lli llk lll llm llr lls llu lme lmi lmk lml lmm lmr lms lmu lri lrk lrm lrr lrs lru lse lsi lsk lsl lsm lsr lss lsu lue lui luk lul lum lur lus luu m-r mee mei mek mel mem mer mes meu mi- mie mii mik mil mim mir mis miu mke mkk mkl mkm mkr mks mku mle mli mlk mll mlm mlr mls mlu mme mmi mmk mml mmm mmr mms mmu mre mri mrk mrl mrm mrr mrs mru mse msi msk msl msm msr mss msu mue mui muk mul mum mur mus muu re- ree rei rek rel rem rer res reu rie rii rik ril rim rir ris rke rkk rkm rks rku rle rli rll rlm rlr rls rlu rme rmi rml rmm rmr rms rri rrk rrl rrm rrr rrs rru rse rsi rsk rsl rsm rsr rss rsu rue rui ruk rum rur rus ruu se- see sei sek sel sem ser ses seu sie sii sik sil sim sir sis siu sk- ske ski skk skl skm skr sks sku sle sli slk sll slm slr sls slu sme smi smk sml smm smr sms smu sr- sre sri srk srl srm srr srs ss- sse ssi ssk ssl ssm ssr sss ssu sue sui suk sul sum sur sus suu uee uei uel uem uer ues uie uii uil uim uir uis uiu uke uki ukk ukl ukr uku ule uli ulk ull ulm ulr uls ulu um- ume umi uml umm umr ums umu ur- ure uri urk url urm urr urs uru use usi usk usl usm usr uss usu uue uum uur uus uuu