a-a aaa aad aae aah aak ad- ada add ade adh adk aea aed aee aeh aek aha ahd ahe ahh ahk aka akd ake akh akk daa dad dae dah dak dda ddd dde ddh ddk de- dea ded dee deh dek dh- dha dhd dhe dhh dhk dka dke dkk eaa ead eae eah eak ed- eda edd ede edh edk eea eed eee eek eha ehd ehe ehh eka ekd eke ekh haa had hae hah hak hda hdd hde hdh hdk he- hea hed hee heh hek hha hhd hhe hhh hhk hka hkd hkh hkk ka- kaa kad kae kah kak kda kde kdh kdk ke- kea ked kee keh kek kha khe khh khk kke kkh kkk