ddd ddf ddo ddr ddu ddw dfd dff dfo dfr dfu dfw dod dof doo dor dou dow drd dro drr dru drw dud duf duo dur dwf dwo dwr dwu dww fdd fdf fdo fdr fdu ffd fff ffo ffr ffu ffw fof foo for fou fow frd frf fro frr fru frw fud fuf fuo fur fuu fwd fwf fwo odd odf odo odr odu of- ofd off ofo ofr ofu ofw oo- ood oof ooo oor oow or- ord orf oro orr oru ou- oud ouf ouo our owd owf owo owu oww rdd rdf rdo rdr rdu rfd rff rfo rfr rfu rfw rod rof roo ror rou row rrd rrf rrr rru rud ruf ruo rur ruu rwd rwf rwr rwu udd udf udo udr udu ufd uff ufo ufr ufu ufw uod uoo uor uow ur- urd urf uro urr uru urw uur uuu uwf uwr uww wdf wdr wdu wfd wff wfo wfr wfu wfw wod wof woo wor wou wow wr- wrd wrf wro wrr wru wrw wud wuo wur wwd wwf wwo wwu www