-er a-a aaa aae aak aam aao aar aau aea aee aek aem aeo aer aeu aka ake akk akm ako akr aku ama ame amk amm amo amr amu aoa aoe aok aom aoo aor aou ar- ara are ark arm aro arr aru au- aua aue auk aum auo aur eaa eae eak eam eao ear eau eea eee eek eem eeo eer eka eke eko ekr eku em- ema eme emk emm emo emr emu eo- eoa eoe eok eom eoo eor eou era ere erk erm ero err eru eu- eua eue eur ka- kaa kae kak kam kao kar kau ke- kea kee kek kem keo ker kke kkk kkm kkr kku kma kme kmk kmm kmo kmu koa koe kok kom koo kor kou kra krk kro krr kru kue kuk kum kur kuu m-o m-r maa mae mak mam mao mar mau mea mee mek mem meo mer meu mka mke mkk mkm mko mkr mku mma mme mmk mmm mmo mmr mmu moa moe mok mom moo mor mou mra mre mrk mrm mro mrr mru mua mue muk mum mur muu oaa oae oak oam oao oar oau oea oee oem oeo oer oka oke okk oko okr oku om- oma ome omm omo omr omu oo- ooa ook oom ooo oor or- ora ore ork orm oro orr oru ou- oua oue ouk oum ouo our ra- raa rae rak ram rao rar rau re- rea ree rek rem reo rer reu rke rkk rkm rko rku rma rme rmm rmo rmr roa roe rok rom roo ror rou rra rrk rrm rrr rru rua rue ruk rum ruo rur ruu ua- uaa uae uak uam uao uar uau uea uee uem uer uka uke ukk ukr uku um- uma ume umm umo umr umu uoa uoe uok uom uoo uor ur- ura ure urk urm uro urr uru uua uue uum uur uuu