-er eee eek eem een eeo eer eke eko ekr eku em- eme emk emm emn emo emr emu en- ene enk enm enn eno enr enu eo- eoe eok eom eon eoo eor eou ere erk erm ern ero err eru eu- eue eun eur ke- kee kek kem ken keo ker kke kkk kkm kkn kkr kku kme kmk kmm kmo kmu kn- kne knk knm knn kno knr knu koe kok kom kon koo kor kou krk krn kro krr kru kue kuk kum kun kur kuu m-o m-r mee mek mem men meo mer meu mke mkk mkm mkn mko mkr mku mme mmk mmm mmn mmo mmr mmu mne mnk mnm mnn mno mnr mnu moe mok mom mon moo mor mou mre mrk mrm mrn mro mrr mru mue muk mum mun mur muu ne- nee nek nem nen neo ner neu nke nkk nkm nkn nko nkr nku nme nmk nmm nmn nmo nmr nmu nne nnk nnm nnn nno nnu no- noe nok nom non noo nor nou nre nrk nrm nrn nro nrr nru nue nuk num nun nuo nur nuu oee oem oen oeo oer oke okk oko okr oku om- ome omm omn omo omr omu on- one onk onn ono onr onu oo- ook oom oon ooo oor or- ore ork orm orn oro orr oru ou- oue ouk oum oun ouo our re- ree rek rem ren reo rer reu rke rkk rkm rko rku rme rmm rmn rmo rmr rnm rnn rno rnr rnu roe rok rom ron roo ror rou rrk rrm rrn rrr rru rue ruk rum run ruo rur ruu uee uem uen uer uke ukk ukn ukr uku um- ume umm umn umo umr umu un- une unk unm unn uno unr unu uoe uok uom uon uoo uor ur- ure urk urm urn uro urr uru uue uum uun uur uuu