d-dot d-rod d-tox ddddd do-do dodoo dodro dofor doodo doorx doout dordt dorff dorot dorud dotoo dotto doufu douro droff drood droof drott drout droux dtour duddo dudou dufur durtu dxdxd fdtdx fodor foord ford- fordo forro forto forud forur fotur fourd fouro foxxx frodo frood froot froud fruto fruux ftord ftrtt fu-fu fuddu furo- furor furud futur fuudo oddur odour odttf odudu oduro offof offto ofoto ofour ooooo ordro orfor orodo orout oroux ortoo oruro orutu ototo otour ottur ouoro outdo outof outro outto ro-ro rodor rofor roodu rooft roto- rotor rotot rotox rotto routt ruffo rufo- ruutu to-do todor toffo tofor toord tordu torro torto tortu torud toto- totoo tourd touro toxo- troff troft trood trott trout trudo truff truro ttttt tudor tudou tudur tuotu turot turro turtu turut tutor tutto tuuru ufofu urour urutu utro- utror uttur uturu ututo uuuuu x-out xdout xfdtd xootr xorro xotox xoxox xtort