dddd ddss didi dido dids didy diii diis dios dis- disd disi diso diss disy diyi dod- dodd dodi dodo dods dody doid dois dood doos dosi doso doss dosy doyo dsos dssi dydd dyio dyo- dyoo dys- dysi dyss iddo idid idio idis idos idso idss iiii iiio iiis iioi iioo iios iisd iisi iod- iodd iodo ioii ioio iooi iooo ioos ioso isds isis iso- isos issi isso isss issy isys iyos oddd oddi odds oddy odio odis odoo odos odso oido oids oiii oios oisd oodi ooid oooo ooos oosi osdi osii osis osoi osoo osos ossd ossi osso ossy oyss s-ii s-os sdds sdio sdss sidd sidi sido sids sidy siod sios sisd sisi siss sisy siyi sodd sodo sods sody sois sood soos sooy sosi soso soss soyo soys ssdd ssid ssis sssi ssss sydi syds syis syso syss yidi yids yiss yodo yods yood yosi yoso yoyo ysii yyyy