a-a aaa aad aah aak aan aao ad- ada add adh adk adn ado aha ahd ahh ahk ahn aho aka akd akh akk akn ako an- ana and anh ank ann ano aoa aod aoh aok aon aoo daa dad dah dak dan dao dda ddd ddh ddk ddn ddo dh- dha dhd dhh dhk dho dka dkk dko dna dnd dnh dnk dnn dno doa dod doh dok don doo haa had hah hak han hao hda hdd hdh hdk hdn hdo hha hhd hhh hhk hhn hho hka hkd hkh hkk hkn hko hna hnd hnh hnk hnn hno hoa hod hoh hok hon hoo ka- kaa kad kah kak kan kao kda kdh kdk kdo kha khh khk khn kho kkh kkk kkn kn- kna knd knk knn kno koa kod koh kok kon koo naa nad nah nak nan nao nda ndd ndh ndk ndn ndo nha nhd nhh nhk nhn nka nkk nkn nko nna nnh nnk nnn nno no- noa nod noh nok non noo oaa oad oah oak oan oao oda odd odh odn odo oha ohd ohh ohn oho oka okd okk oko on- ona ond onh onk onn ono oo- ooa ood ooh ook oon ooo