bbbbbb bo-hoo bonbon bonnor bonnot bonobo bonton booboo boohoo booton borbon borbor bornon bornto bororo borton bothr- botoro botton bronno bront- bronto brotto btooth hobnob hohhot hohoho honnor honor- honton hoohoo hooroo hooton hororo horror horton hortor hotbot hotnot hotoro hotton hottot htonbo n-toon nhrtbt non-no nonhot nonono nonoon noonoo noonor noonto norton notho- nothot notron notton nottoo ohnono ohohoh ohtoto oohooh oooooo oroton orrho- ortho- ottoor rhobtb roboto ronnon ronron rooton rotton tbontb thonon thonor thornn thoro- thoron to-on toboot tohoro tonbon tonono tonoro tonton toohot tootoo tororo toroth tortor totnor totoro totrot tronoh tronto trotro