a-ak a-ha aaaa aaab aaad aaah aaba aabb aabd aabh aada aaha aahk aaka abaa abab abad abak abb- abba abbb abda abha adaa adab adad adah adak adba adda addd adha adhd ahab ahad ahah ahha akaa akah akha akka baaa baad baah baak baba babb bada badb badd badh baha bak- baka bakh bbad bbbb bbdd bddh daab daad daba dabb dada daha daka dddd dhaa dhad dhak dkba haab haad haak haba hada hadh haha haka hakk hdbk hdda hhaa hhhh kaaa kaab kaak kaba kabb kabd kad- kada kadd kaha kaka kakh kakk kbaa kbab kbad kbak kbba kbbb kbbd kbbk kbdb kbhb kbhh kbkb kbkk kdaa kdab kdad kdak kdbb kddb kddd kddk kdka kdkb kdkd kdkk khab khad khak khbd khdk khhk khka khkk kkaa kkba kkbb kkbd kkda kkdd kkha kkhb kkhh kkhk kkkk