bbbbbb bognor bogong bogoro bogton bonbon bongor bonnor bonnot bonobo bonogo bonton booboo booton borbon borbor bornon bornto borogo bororo borton botoro botton brgnng bronno bront- bronto brotto gobbon goboon gobron gogbot gogoro gongbo gonogo googoo gooroo gorgon gorgor goroon gorron gorton groton grotto n-toon ngongo non-no nonono nonoon noonoo noonor noonto norton not-go notron notton nottoo obongo ogongo ontong oooooo orongo oroton ottoor robo-g roboto rognon rongbo ronggo ronnon ronron roogoo rooton rotton tbontb to-on toboot togrog tonbon tonono tonoro tonton tootoo torgon torgot tororo tortor totnor totoro totrot trogon tronto trotro