aaaa aaae aaaf aaar aaav aaea aaev aafa aaff aaoe aaoo aara aare aaro aava aeaf aeer aer- aera aero aeva afaa afao afar afee afer affa affo afoa afoe afoo afor afr- afra afre afro aora arae araf arar area aree aref areo arev arfa arff aroa aroe aroo aror arr- arra arre arro arrr arva arve arvo avao avar avea aveo aver avor avra avre avro avva avvo eaaf eara eare earo eave eeea eeee eefa eefe eera eero eeva efeo effa efor eora eore eraf erer erev eroe eroo erra erre erro erve evae evar evea ever evoe evoo evra evre faaa fafa fafe faff fafo fara fare faro farr fava fave feaf fear feer fefe feff fefo feof fera fere fero ferr ferv feve fevr ffar ffee ffff ffrr foaf foar foer fofo foof for- fora fore foro forr fove fr-v frae frea free freo froe o-eo oaer oafo oara oare oera oere ofer off- offa offe offo offr ofor ofra ofre ooaa ooer ooff oooo oora oore orae orao orar orav ore- orea oreo orer orfe orff oro- oroe orof oror orra orro orve orvr ovar ovee over ovo- ovoo ovra ovre raaf raef raer rafa rafe raff rara rare rarf raro rava rave rea- reae reaf reao rear reef reev refe reff refr reof rera rere rero reva reve revo rfae rfef roaf roar roea roer roev rofe roff rofo roof roor rora rore roro rova rove rovo rrrr rver vaar vafa vara vare varf varr vava vear veer vefa veor ver- vera vere vero veve vevo vfor voar voer voff vofr voor vor- vora vore voro vrav vref vreo vver vvvv