dddd ddot dfdt dod- dodd dodo dody doff dood doof doot dotd doto dott doty doud douf dout douy doyo dtot dudd dudo dudu duff dufu dufy duo- duty duut dydd dyf- dyo- dyoo dyot dyou dyt- dyty fdot ffff fftf fody fofo food foof foot foto fott foty foud fout foyt ftfy fudd fuff fufu futo futu fuyt fuyu oddd oddy odoo odot odou odtu off- offo offu offy ooff oofy oooo ooty oto- otof otoo otoy otto ottu ouff out- outo outy ouu- oyou tdff tfot to-y todd todo todt todu tody toff tofo toft tofu tood toof toot totd toto tott toty tout toyo toyt ttff ttoy tttt ttyd tudu tuff tufo tuft tufu tuto tutt tutu tuty tuuo tydd tydy tyff tyft tytd tyto tytt tyty udoo udot uofo utfo utoy utto uttu uutf uuuu uydo ydyt yodo yoff yood yoof yoot yott youd youf yout yoyo yudo yudu yuff yuft yufu yuto yutu yuty yuyu yyff yyyy