d-rod ddddd do-do dodoo dodro dofor doggo dogof doodo dorff dorog dorud doufu douro droff drog- drogo drood droof droog droug drugu duddo dudou dufur fodor foggo fogou foord ford- fordo forgo forro forud forur fougo fourd fourg fouro frodo frood froud frugo fu-fu fuddu fudog fugro fugug furo- furor furud fuudo go-go go-oo goddo godor gofor gogro goodg goodo gooff goord gordo gorgo gorod gourd grgur grodd groff grogg grood groof groud grouf grrrr gruff guddu gudur guroo gurro gurur o-dog oddur odour odudu oduro ofdog offof ofgod ofour ogogo ogugu ooooo ordro orfor orodo orrgo oruro ouoro ro-ro rodor rofor roodu ruffo rufo- u-god ufofu ugoff ugro- ugrug urdog urour uuuuu