a-ha aaaa aaab aaad aaah aaar aaba aabb aabd aabh aada aaha aara aard abaa abab abad abar abb- abba abbb abbr abda abha abhr abra adaa adab adad adah adar adba adda addd addr adha adhd adra ahab ahad ahah ahar ahha ahra ahrr arab arad arah arar arba arbh arda arh- arr- arra arrh arrr baaa baad baah baar baba babb babr bada badb badd badh badr baha bahr bar- bara barb bard barh barr bbad bbbb bbdd bd-r bddh bhar bhra brab brad brah brda brrr daab daad daar daba dabb dada daha dara darb dard darr dbar dddd dhaa dhad dhar draa drab drad drar drba drda drra haab haad haar haba hada hadh haha hara hard harh harr hbar hdda hdra hhaa hhhh hrad raab raad raba rabb rada radd radh radr raha rahr rara rarb rbbb rbbr rrad rrah rrrr