-ous nnnn nnos nnss non- nonn nono nons nonu noo- noon nooo noos nos- noss nosu noun nous nsos nsou nsso nsss nunn nuno nuns nuon nuss nusu onno onon onos onoz onso onus onzo oons oooo ooos oous osno osoo osos osso ossu osun oun- ouu- ouzo ozon ozun s-os snns snoo snos snus son- sono sons sonu soon soos soso soss soun sous soz- ssns ssss sun- sunn suno suns sunu suos sus- suso suss susu susz suus suzo suzu suzz szss unno unns unon unos uns- unso unus unuz usno usnu usos usss ussu usun usus uuno uuuu uzon uzos uzun zon- zons zoo- zoon zoos zoso zoss zozo zozu zsss zunz zuoz zuun zuzu zzzs zzzz