a-be a-ha aaaa aaab aaad aaae aaah aaar aaba aabb aabd aabh aada aade aaea aaha aara aard aare abaa abab abad abae abar abb- abba abbb abbe abbr abda abed abee aber abha abhr abra adaa adab adad adae adah adar adba adda addd adde addr adea adeb adee adeh ader adha adhd adra adre aede aeer aer- aera aerd ahab ahad ahah ahar ahed ahha ahra ahre ahrr arab arad arae arah arar arba arbe arbh arda arde area ared aree areh arh- arr- arra arre arrh arrr baaa baad baah baar baba babb babe babr bada badb badd bade badh badr baed baer baha bahr bar- bara barb bard bare barh barr bbad bbbb bbdd bbeb bd-r bddh bead beah bear beba bebb bebe beda bede beeb beed beer behr bera berd bere berr bhar bher bhra brab brad brae brah brda brea breb bred bree brer brrr daab daad daae daar daba dabb dada dade daeb daer daha dahe dara darb dard dare darr dbar dddd ddre dead deae dear deba debe deda dedd dede deeb deed deer deha der- dera derb dere derr dhaa dhad dhar dhed dhee dher draa drab drad drar drba drda drea dred dree dreh drra eaba eabh eada eadb eadd eara earb eard eare earh ebba ebbr ebed eber edad edah edar edda edde ede- edea edeh eder edra eede eeea eeee eera ehaa ehdd ehea eheh eher ehre erad erba erbb erbe erda erde ereb ered erer erra erre haab haad haar haba habe hada hade hadh haed haha hara hard hare harh harr hbar hdda hdra head heah hear hebb hebe hebr heda hedd hede heeb heed heer hehe hera herb herd here herr hhaa hhhh hrad hree raab raad raba rabb rabe rada radd rade radh radr raed raer raha rahe rahr rara rarb rare rbbb rbbr rder rea- read reae rear reba rebb rebe reda redd rede redh redr reeb reed reha rehb rehe rera rerd rere rhae rhea rheb rhee rrad rrah rred rrrr