-er a-a aaa aae aaj aak aao aar aea aee aej aek aeo aer aja aje ajj ajk ajo ajr aka ake akj akk ako akr aoa aoe aoj aok aoo aor ar- ara are arj ark aro arr eaa eae eaj eak eao ear eea eee eek eeo eer eja ejo eka eke eko ekr eo- eoa eoe eok eoo eor era ere erk ero err jaa jae jaj jak jao jar jea jee jej jek jeo jer jja jjj jjk jjr jka jkk jko jkr joa joe joj jok joo jor jra jrk jro jrr ka- kaa kae kaj kak kao kar ke- kea kee kek keo ker kje kjr kke kkk kkr koa koe kok koo kor kra krk kro krr oaa oae oaj oak oao oar oea oee oeo oer oja oje ojo oka oke okj okk oko okr oo- ooa ook ooo oor or- ora ore ork oro orr ra- raa rae raj rak rao rar re- rea ree rek reo rer rja rjk rjr rke rkk rko roa roe roj rok roo ror rra rrk rrr