-er a-a aaa aae aaj aak aao aar aav aea aee aej aek aeo aer aev aja aje ajj ajk ajo ajr aka ake akj akk ako akr akv aoa aoe aoj aok aoo aor aov ar- ara are arj ark aro arr arv av- ava ave avk avo avr eaa eae eaj eak eao ear eav eea eee eek eeo eer eev eja ejo eka eke eko ekr ekv eo- eoa eoe eok eoo eor era ere erk ero err erv eva eve evo evr evv jaa jae jaj jak jao jar jav jea jee jej jek jeo jer jja jjj jjk jjr jka jkk jko jkr jkv joa joe joj jok joo jor jra jrk jro jrr ka- kaa kae kaj kak kao kar kav ke- kea kee kek keo ker kev kje kjr kke kkk kkr kkv koa koe kok koo kor kra krk kro krr krv kva kvk kvo kvr kvv oaa oae oaj oak oao oar oav oea oee oeo oer oja oje ojo oka oke okj okk oko okr oo- ooa ook ooo oor oov or- ora ore ork oro orr orv ov- ova ove ovo ovv ra- raa rae raj rak rao rar rav re- rea ree rek reo rer rev rja rjk rjr rke rkk rko rkv roa roe roj rok roo ror rov rra rrk rrr rva rve rvo rvr rvv v-a v-e vaa vae vaj vak vao var vav vea vee vek veo ver vja vka voa voe vok voo vor vov vra vre vrk vrr vva vvo vvr vvv