ddd ddi ddq dds ddu ddy di- did dii diq dis diu diy dqs dsd dsi dsq dss dsu dsy dud dui dus duy dy- dyd dys dyu dyy i-d idd idi idq ids idu idy iid iii iis iiu iqd iqs iqu is- isd isi isq iss isu isy iu- iud iui ius iys iyy qds qid qis qiu qqq qqu qsd qsi qu- qud qui qus quy sdd sdi sdq sds sdu sdy sid sii siq sis siu sqd sqi sqq sqs ss- ssd ssi ssq sss ssu sud sui suq sus suu suy sy- syd syi sys syu udd udi uds udu uid uii uiq uis uiu usd usi uss usu uus uuu uyi uys uyu yds ydy yid yii yiq yis ysi yss ysu ysy yud yui yus yuu yuy yys yyu yyy