dddd dfrf do-x dod- dodd dodo doff dold dolf doll dolo dood doof dool door dord dorf doro dorr drod drof drol dxdr dxfx dxll dxlr dxol dxrd dxrf dxrl dxrr dxrx dxxl dxxr dxxx fdlr ffff ffrr fldr flod floo flor flox fofo fold foll folo folr folx food foof fool for- ford forl foro forr foxx frol fxdd lfrd llll llod lloo loff lold loll lolo lood loof lool loor lord loro lox- loxo lrdd lrrr lxxx oddd odoo odor odrl ofdr off- offo offr ofor ollo olof olor ooff oold oolo oooo oord ordo orff orlo oro- orof oror orro oxo- oxof oxox oxxo rffl rodd rodo roff rofl rofo rold rolf roll rolo rood roof rool roor roox roro roxo rrrr xdxf xlox xolo xoro xoxo xrod xxxo xxxx