ddd ddf ddi ddm ddo ddy dfd dff dfi dfm dfo di- did dif dii dim dio diy dmd dmf dmi dmm dmo dod dof doi dom doo doy dy- dyd dym dyo dyy fdd fdf fdi fdm fdo ffd fff ffi ffm ffo ffy fid fif fii fim fmd fmf fmi fmm fmo fof foi fom foo foy fy- fyi fyo i-d i-f idd idf idi idm ido idy ifd iff ifi ifm ifo ify iid iif iii iim iio im- imd imf imi imm imo imy io- iod iof ioi iom ioo iym iyo iyy m-f m-o mdd mdf mdi mdm mdo mdy mfd mff mfi mfm mfo mfy mi- mid mif mii mim mio miy mmd mmf mmi mmm mmo mod mof moi mom moo moy my- myd myf mym myo o-i odd odf odi odm odo of- ofd off ofi ofm ofo oid oif oii oim oio om- omd omf omi omm omo omy oo- ood oof ooi oom ooo oyd oyi oyo ydo ydy yfd yff yfm yid yif yii yim yio ymi ymm ymo yod yof yoi yom yoo yoy yyf yyy