a-ha aaaa aaab aaad aaah aaap aaba aabb aabd aabh aabp aada aaha aapa aaph abaa abab abad abap abb- abba abbb abda abha abpa abpd abpp adaa adab adad adah adap adba adda addd adha adhd adp- ahab ahad ahah ahha apah apap apba apda apdd aph- apha appa appd apph baaa baad baah baba babb bada badb badd badh baha bapa bapp bbad bbbb bbdd bddh bpda daab daad daap daba dabb dabp dada daha dahp dapa dapp dbpd dddd dhaa dhad dhap dhbp dpaa dphp dppa dpph haab haad haba hada hadh haha hapa happ hdda hhaa hhhh hhpa hpdh paap paba pada padd paha pahp papa papb papp pbpa pdpa phad phah phpa ppad ppap pppa pppd pppp