foofoo forrot forton fotron foxton ftknox kokoon kokoro kokott konnor konton kontor kookoo kootoo korkor kororo kotoko kotono kronor kroton n-toon nkonko nkoroo noforn noktor non-no nonkon nonono nonoon noonoo noonor noonto noroff noroof norton notfor notron notton nottoo o-knon offton oftfor on-off onfoot oofotr ookroo oooooo orokon oroton ottoor rokkor ronnon ronron rootof rooton rotork rotton roxton to-fro to-on toforn tonono tonoro tonton tookon tookto tootoo tororo torrox tortor totnor totoro totrot tronox tronto trotro xoxoxo