a-do aaaa aaad aaaf aaar aaav aada aafa aafd aaff aaoo aara aard aaro aava adaa adad adao adar adda addd addo addr adfa adod adoo ador adra adro afaa afad afao afar affa affo afoa afoo afor afr- afra afro aora arad araf arar arda ardf ardo arfa arff aroa arod aroo aror arr- arra arro arrr arva arvo avao avar avda avor avra avro avva avvo daad daar dada dado dafa daff dafo dara dard darf daro darr dava dddd dfaf dffa dfrf doar dod- doda dodd dodo doff dood doof door dora dord dorf doro dorr draa drad draf drar drda drod drof drra dvar dvda dvdr dvfr dvoa dvor dvra faaa faad fada fadd fado fafa faff fafo fara fard faro farr fava fdoa ffar ffff ffrr foad foaf foar foda fofo food foof for- fora ford foro forr fr-v frad oafo oara odda oddd odoo odor odra odva ofdr off- offa offo offr ofor ofra ooaa ooda ooff oooo oora oord orad orao orar orav orda ordo orff oro- orof oror orra orro orvr ovar ovda ovo- ovod ovoo ovra raad raaf rada radd rado radr rafa raff rara rarf raro rava rdfa road roaf roar roda rodd rodo roff rofo rood roof roor rora roro rova rovo rrad rrrr vaad vaar vada vado vafa vara vard varf varr vava vfor voad voar voda vodo voff vofr voor vor- vora vord voro vrav vvvv