ddd ddi ddo ddr dds ddt ddu ddy di- did dii dio dir dis dit diu diy dod doi doo dor dos dot dou doy drd dri dro drr drs drt dru dry dsd dsi dso dsr dss dst dsu dsy dtd dti dto dtr dts dtt dtu dty dud dui duo dur dus dut duy dy- dyd dyo dyr dys dyu dyy i-d idd idi ido idr ids idt idu idy iid iii iio iir iis iit iiu io- iod ioi ioo ior ios iot iou ir- ird iri iro irr irs irt iru iry is- isd isi iso isr iss ist isu isy itd iti ito its itt itu ity iu- iud iui iur ius iut iyo iyr iys iyt iyy o-i odd odi odo odr ods odt odu oid oii oio oir ois oit oiu oo- ood ooi ooo oor oos oot or- ord ori oro orr ors ort oru ory os- osd osi oso osr oss ost osu ot- otd oti oto otr ots ott otu ou- oud oui ouo our ous out oyd oyi oyo oys rdd rdi rdo rdr rds rdt rdu rdy rid rii rio rir ris rit riy rod roi roo ror ros rot rou roy rrd rri rrr rrs rrt rru rsd rsi rso rsr rss rst rsu rtd rti rto rtr rts rtt rtu rty rud rui ruo rur rus rut ruu ruy ry- ryd ryo ryr rys ryu ryy sdd sdi sdo sdr sds sdt sdu sdy sid sii sio sir sis sit siu sod soi soo sor sos sot sou soy sr- srd sri sro srr srs srt sry ss- ssd ssi sso ssr sss sst ssu std sti sto str sts stt stu sty sud sui suo sur sus sut suu suy sy- syd syi syr sys syt syu tdd tdi tdo tdr tds tdt tdu tdy tid tii tio tir tis tit tiu tiy to- tod toi too tor tos tot tou toy trd tri tro trr trs trt tru try tsd tsi tso tsr tss tst tsu tsy ttd tti tto ttr tts ttt ttu tty tud tui tuo tur tus tut tuu tuy tyd tyo tyr tys tyt udd udi udo udr uds udt udu uid uii uio uir uis uit uiu uod uoo uor uos uot ur- urd uri uro urr urs urt uru ury usd usi uso usr uss ust usu utd uti uto utr uts utt utu uty uur uus uut uuu uyi uyo uys uyu ydo yds ydt ydy yid yii yio yir yis yit yod yoi yoo yor yos yot you yoy yro yrs yrt yru ysi yso ysr yss yst ysu ysy ytd yto ytr yts ytt ytu yud yui yuo yur yus yut yuu yuy yys yyt yyu yyy