-ous ffff ffss ffun fnuf fofo fono fons foof foon foos foso foss foun fous fsfo fssf fuff fufu funf funs fuso fuss fusu nfff nfon nfsu nnnn nnos nnss non- nonn nono nons nonu noo- noon nooo noos nos- noss nosu noun nous nsfs nsof nsos nsou nssf nsso nsss nuff nunn nuno nuns nuon nuss nusu off- offo offs offu ofno ofus onno onon onos onso onus ooff oofs oons oooo ooos oous osno osoo osos osso ossu osun ouff oun- ouu- s-os sfos sfss sfsu snfu snns snoo snos snus sofo son- sono sons sonu soof soon soos soso soss souf soun sous ssns sssf ssss suf- suff sufs sufu sun- sunn suno suns sunu suos sus- suso suss susu suus ufos unno unns unon unos uns- unso unus uofo usfs usno usnu usos ussf usss ussu usun usus uuno uuuu