n-toon non-no nonono nonoon noonoo noonor noonto norton nosons nosson nostos nostro notron notton nottoo ntonso onsort oooooo oroton orsons orston osorno ossott ostnor ostron otonos ottoor ronnon ronron ronson roosts rooton rosson roston rostr- rotors rotton snoots snorts sonson soonto soorts soosoo sorors sorsor sosoon sostro ssorts stonor stoorn storrs stotts stroot stross strost to-on tonono tonoro tonsor tonton tontos tootoo tornos tororo torsor torsos tortor tosson tossto toston totnor totoro totrot tottos tronto troost troots trosno trosso trotro tsotso