a-do aaaa aaab aaad aaaf aaar aaba aabb aabd aada aafa aafb aafd aaff aaoo aara aard aaro abaa abab abad abaf abar abb- abba abbb abbo abbr abda abdo abff aboa abob abod abof aboo abor abra abro abza adaa adab adad adao adar adba adda addd addo addr adfa adob adod adoo ador adra adro afaa afad afao afar afdb affa affo afoa afoo afor afr- afra afro aoba aora aorb arab arad araf arar arba arda ardf ardo arfa arfb arff aroa arob arod aroo aror aroz arr- arra arro arrr arza arzo aza- azab azad azar azaz azo- azof azoo azor azra azza azzo baaa baad baaf baar baaz baba babb babo babr bada badb badd bado badr baff bafo bar- bara barb bard barf baro barr barz baza bazo bbad bbbb bbdd bbdo bd-r boab boad boar boaz boba bobb bobo boda bodb bodo bofa bofd boff boob bood boof boor booz bor- bora bord borf boro borr borz boza bozo brab brad braf brao braz brda brdo broa brob brod broo bror broz brrr brza bzzz d-bo daab daad daar daba dabb dabo dada dado dafa daff dafo dara darb dard darf daro darr darz dazz dbar dbfo dddd dfaf dffa dfrf doab doar doba dobb dod- doda dodd dodo doff doob dood doof door dora dord dorf doro dorr doza dozo draa drab drad draf drar drba drda drob drod drof droz drra dzar dzbb dzbf dzor dzrr faaa faad faba fabd fabo fada fadd fado fafa faff fafo fara farb fard faro farr farz faza fbar fdoa ffar ffff ffrr foad foaf foar foba foda fofo food foof for- fora forb ford foro forr foza frab frad frob frzb fzdz oafo oara obad obba obbo obor obra obro odbo odda oddd odoo odor odra ofdr off- offa offo offr ofor ofoz ofra ooaa ooba ooda ooff oooo oora oord orab orad orao orar orba orbb orbo orda ordo orff oro- orof oror oroz orra orro orzo ozar ozd raab raad raaf raaz raba rabb rabo rada radd rado radr rafa raff rafz raob rara rarb rarf raro rarz raza razo razr razz rbaf rbbb rbbr rdfa roab road roaf roar rob- roba robb robo roda rodd rodo roff rofo roob rood roof roor rooz rora roro roza rozz rrad rrrr rzab z-ro zaar zaba zabo zabr zada zara zarb zard zarf zaro zarr zaza zbar zdar zoar zobo zoda zodd zoff zoo- zora zorb zord zoro zoza zozo zzzz