bbbbbb bo-hoo bonbon bonnor bonnot bonobo bonton booboo boohoo booton borbon borbor bornof bornon bornto bororo borton bothr- botoro botton bronno bront- bronto brotto btooth foboff foofoo foorth forbon forhoo forrot forth- forton fotron frbroo frobot hobnob hohhot hohoho honnor honor- honton hoohoo hooroo hooton hororo horror horton hortor hotbot hotfor hotnot hotoff hotoro hotton hottot htonbo n-toon nhrtbt noforn non-no nonhot nonono nonoon noonoo noonor noonto noroff noroof norton notfor notho- nothot notron notton nottoo offton oftfor ohnono ohohoh ohtoto on-off onfoot oofotr oohooh oooooo oroton orrho- ortho- ottoor rhobtb roboto ronnon ronron rootof rooton rotton tbontb thonon thonor thornn thoro- thoron to-fro to-on toboot toforn tohoro tonbon tonono tonoro tonton toohot tootoo tororo toroth tortor totnor totoro totrot tronoh tronto trotro