xii xio xis xix xld xlg xli xlr xls xoc xod xog xoi xoo xor xos xox xrc xrd xrx xry xsc xsi xsl xss xxi xxl xxo xxx xxy xyl xyr xyy ycc ycd yce yci ycl yco ycs ycy yde ydg ydl ydo yds ydy yec yed yee yeg yei yel yeo yer yes yex yey ygc ygl ygo yid yie yig yii yio yir yis ylc yld yle ylg yli yll ylr yls yly yoc yod yoe yog yoi yol yoo yor yos yox yoy yrc yre yrg yro yrs ysc yse ysg ysi ysl yso ysr yss ysy yxe yxy yyc yye yyg yys yyy