a-do aaaa aaab aaad aaaf aaam aaar aaba aabb aabd aabm aada aafa aafb aafd aaff aama aamb aamd aamo aamr aaoo aara aard aarm aaro abaa abab abad abaf abam abar abb- abba abbb abbo abbr abda abdo abff abma abmb aboa abob abod abof aboo abor abra abro adaa adab adad adam adao adar adba adda addd addo addr adfa adma admb admr adob adod adoo ador adra adro afaa afad afam afao afar afdb affa affo afma afoa afoo afor afr- afra afrm afro amaa amad amam amar amb- amba ambo ambr amda amdo amfm amfr amm- amma ammo amob amod amof amoo amor amra amro aoba aoma aora aorb arab arad araf aram arar arba arda ardf ardm ardo arfa arfb arff arma armd armm armo aroa arob arod arom aroo aror arr- arra arro arrr baaa baad baaf baam baar baba babb babm babo babr bada badb badd bado badr baff bafo bama bamb bamf bamm bar- bara barb bard barf barm baro barr bbad bbbb bbdd bbdo bd-r bdrm bmaa bmdb boab boad boar boba bobb bobo boda bodb bodo bofa bofd boff boma bomb boob bood boof boom boor bor- bora bord borf borm boro borr brab brad braf bram brao brda brdm brdo brfm broa brob brod brom broo bror brrm brrr d-bo daab daad daam daar daba dabb dabo dada dado dafa daff dafo dama damb damm damo dara darb dard darf daro darr dbar dbfo dddd dfaf dffa dfma dfrf dmaa dmab dmba dmbf dmfa dmrb doab doar doba dobb dod- doda dodd dodo doff doma domb domm domo doob dood doof doom door dora dord dorf dorm doro dorr draa drab drad draf dram drar drba drda drob drod drof drom drra faaa faad faam faba fabd fabm fabo fada fadd fado fafa faff fafo fama famo fara farb fard farm faro farr fbar fbom fdoa fdom ffar ffff ffrr fmod foad foaf foam foar foba foda fofo foma fomo food foof foom for- fora forb ford form foro forr frab frad fram frob from maaa maad maaf maam maar maba mabo mada madb madd mado mafa mafb maff mama mamf mamo maor mar- mara mard marf marm maro marr mbam mbba mbda mbdb mdbf mddm mdma mdmf mdra mfbm mffa mfor mmaa mmab mmar mmda mmdb mmdf mmfd mmff mmmd mmmm mmod mmor mmrf moaa moab moaf moam moar moba mobb mobo moda modd modo mofa moff mofo moma momo mooa moob mood moor mora morb mord morf moro mrad mrbb mrbm mrda mrdd mrmd oadm oafo oama oara obad obba obbo obor obra obro odam odbo odda oddd odma odmr odom odoo odor odra ofdr off- offa offo offr ofor ofra omam omao omar ombo omda omdb omma omo- omoa omoo omor omra omro ooaa ooba ooda ooff ooma oooo oora oord orab orad oram orao orar orba orbb orbo orda ordo orff orma ormo oro- orof orom oror orra orro raab raad raaf raam raba rabb rabo rada radd radm rado radr rafa raff rama ramb ramm ramo raob raom rara rarb rarf raro rbaf rbbb rbbr rdbm rdfa rdma rfam rmaf roab road roaf roam roar rob- roba robb robo roda rodd rodo roff rofo roma romb romd romm romo roob rood roof room roor rora roro rrad rrrr