ddd ddi ddr dds ddu ddy di- did dii dir dis diu diy drd dri drr drs dru dry dsd dsi dsr dss dsu dsy dud dui dur dus duy dy- dyd dyr dys dyu dyy i-d idd idi idr ids idu idy iid iii iir iis iiu ir- ird iri irr irs iru iry is- isd isi isr iss isu isy iu- iud iui iur ius iyr iys iyy rdd rdi rdr rds rdu rdy rid rii rir ris riy rrd rri rrr rrs rru rsd rsi rsr rss rsu rud rui rur rus ruu ruy ry- ryd ryr rys ryu ryy sdd sdi sdr sds sdu sdy sid sii sir sis siu sr- srd sri srr srs sry ss- ssd ssi ssr sss ssu sud sui sur sus suu suy sy- syd syi syr sys syu udd udi udr uds udu uid uii uir uis uiu ur- urd uri urr urs uru ury usd usi usr uss usu uur uus uuu uyi uys uyu yds ydy yid yii yir yis yrs yru ysi ysr yss ysu ysy yud yui yur yus yuu yuy yys yyu yyy