a-do a-ha aaaa aaab aaad aaah aaap aaar aaba aabb aabd aabh aabp aada aaha aaoo aapa aaph aapo aara aard aaro aarp abaa abab abad abap abar abb- abba abbb abbo abbr abda abdo abha abho abhr aboa abob abod aboh aboo abor abpa abpd abpp abpr abra abro adaa adab adad adah adao adap adar adba adda addd addo addr adha adhd adho adob adod adoo ador adp- adra adro ahab ahad ahah ahar ahha ahoa ahod ahop ahor ahra ahrr aoah aoba aodh aopo aora aorb apah apao apap apar apba apbr apda apdd aph- apha apo- apod apoo apop apor appa appd apph appr apra apro arab arad arah arap arar arba arbh arda ardo arh- aroa arob arod aroo aror arpa arr- arra arrh arro arrr baaa baad baah baar baba babb babo babr bada badb badd badh bado badr baha baho bahr baoh bapa bapp bar- bara barb bard barh baro barr bbad bbbb bbdd bbdo bbpr bd-r bddh bhao bhar bhor bhra boab boad boar boba bobb bobo boda bodb bodh bodo boha bohd boho bohr boob bood booh boop boor bopa bopp bor- bora bord borh boro borr bpda bprd brab brad brah brao brda brdo broa brob brod broh broo bror brrr d-bo daab daad daap daar daba dabb dabo dabp dada dado daha dahp dapa dapp dara darb dard daro darp darr dbar dbpd dddd ddpo dhaa dhad dhao dhap dhar dhbp dhod dhor dhpr doab doap doar doba dobb dod- doda dodd dodo doha dohr doob dood doop door dopa dopo dopp dopr dora dord doro dorp dorr dpaa dphp dppa dpph draa drab drad drap drar drba drda drob drod droh drop drra haab haad haar haba habo hada hadh haha haho haor hapa happ hara hard harh haro harp harr hbar hdda hdod hdra hhaa hhhh hhpa hoad hoap hoar hoba hobo hoda hodh hodr hoha hoho hood hoop hoor hopa hopo hopp hora hord horo horr hpao hpdh hrad hrap hrob hrod hrpp oahp oaph oara obad obba obbo obor obra obrh obro odah odbo odda oddd odoh odoo odop odor odra odrp ohad ohba ohho ohob ohoh ohra ooaa ooba ooda ooha ooho oooh oooo oora oord opah opap opar opo- opor oppa oppo opra orab orad orah orao orar orba orbb orbo orda ordo oro- oror orph orra orro paap paar paba pada padd pado paha paho pahp paoh papa papb papp papr par- para pard paro parp parr pbar pbpa pdpa pdpr phad phah phar phob phoh phoo phpa phrr poad poar poba pobo pod- poda podd podo poha pood pooh poop poor pop- popa popo popp pora porb poro porr ppad ppap ppar ppoa ppod pppa pppd pppo pppp prad prao prar pro- proa prob prod proo prop prpd prrd raab raad raba rabb rabo rada radd radh rado radr raha rahr raob raoh raop rapa rapd raph rapp rara rarb raro rbbb rbbr rboh rdap rdbp rhap rhoa rhob rhod rhoh roab road roap roar rob- roba robb robo roda rodd rodo roha rohr roob rood roop roor ropa ropo rora roro rpdp rpho rpob rrad rrah rrrr