a-a aaa aad aah aan aao aau ad- ada add adh adn ado adu aha ahd ahh ahn aho ahu an- ana and anh ann ano anu aoa aod aoh aon aoo aou au- aua aud auh aun auo daa dad dah dan dao dau dda ddd ddh ddn ddo ddu dh- dha dhd dhh dho dhu dna dnd dnh dnn dno doa dod doh don doo dou dua dud duh dun duo haa had hah han hao hau hda hdd hdh hdn hdo hdu hha hhd hhh hhn hho hhu hna hnd hnh hnn hno hnu hoa hod hoh hon hoo hou hua hud huh hun huo huu naa nad nah nan nao nau nda ndd ndh ndn ndo ndu nha nhd nhh nhn nhu nna nnh nnn nno nnu no- noa nod noh non noo nou nua nud nuh nun nuo nuu oaa oad oah oan oao oau oda odd odh odn odo odu oha ohd ohh ohn oho ohu on- ona ond onh onn ono onu oo- ooa ood ooh oon ooo ou- oua oud ouh oun ouo ua- uaa uad uah uan uao uau uda udd udn udo udu uha uhd uhh uho uhu un- una und unh unn uno unu uoa uod uon uoo uua uun uuu