n-ost nnooo no-no nonno nonos nonot nonst noons noort noost noots norns noron norro norts nortt norvo noso- noson nosov nosto notno noto- noton notso notto notts novo- novot nstnt ntoro nvsro onont onoon onorn onoto onsov onto- ontoo oonts ooooo oovoo ornon ornot orono oroso orost orson orton ortoo ososo ossos ostro otono otoso ototo otros otrov ottos ottov ovoos rnsts ro-ro ronno ronto roons roost roots rorts rosso rosss rosto rosts roto- roton rotor rotos rotot rotto rovon rttns rttov s-o-r snoot snort snots so-so sono- sonor sonos sonot sonov sonst soonr soons soort soots sorns soron soror soros sorso sorts sosno soss- sosto soton sotoo sotos sotto sotts sron sroot sssss stono stont stoon stoor stoos stoot storo storr stors stort stoss stots stott stros strot strrs sttns sttsn tntnt tono- tonos tonto toons toost toots toron toros torro torrs torso torst torto torts tosno toson tosos tosrv toss- tosto toto- toton totoo totos trnov trono troon tross trost trots trott trovo tsoro tsort ttttt voorn voron vorst votto vovos vroon vrsno