-ana aaaa aaaf aaan aaas aaav aafa aaff aana aaon aaoo aasa aasf aass aava afaa afan afao affa affo affs afoa afoo afsa afvs ana- anaa anan anao anas anfa anfo anna anno anns ano- anoa anon anos ansa ansf anso aono aoss asaa asaf asan asao asas asfa asno asof ason asos assa assn asso asss asva asvs avan avao avas avon avos avva avvo faaa faan faas fafa faff fafo fana fano fans faon fasa fasn faso fass fava favs ffff ffsa ffss ffvs foaf foan fofo fono fons foof foon foos fosa foso foss fsas fsfo fssa fssf naaa naan naas nafa naff nafo nafs nan- nana nann nano nans naos nas- nasa nasf naso nass nasv nava navo navs navv nfaa nfas nfff nfon nnnn nnos nnsa nnss noaa non- nona nonn nono nons noo- noon nooo noos noov nos- nosa noss nov- nova novo nsaa nsfs nsna nsof nsos nssa nssf nsso nsss nvfs nvss oafo oafs oass oavs ofan ofas off- offa offo offs ofna ofno onan onas onna onno onon onos onso ooaa ooff oofs oona oons oooo ooos oosa osaf osan osas osfa osno osoo osos osov ossa osso ovan ovo- ovon ovoo s-os saaf saan saas safa saff safo sana sann sano sans saon saos sasa sasf saso sass sava savo savs sfas sfos sfss snas snav snns snoa snoo snos snov soan soas sofa sofo son- sona sono sons soof soon soos sosa soso soss sosv sova sovo sovs ssaa ssan ssao ssas ssns sssa sssf ssss svan svns vaan vaas vafa vafs vana vann vano vans vas- vasa vaso vass vava vavs vnav vnso voff vona vonn vons vosa voso voss vsan vsfs vvvv