-th ddd ddh ddi ddr dds ddt ddy dh- dhd dhh dhi dhr dhs dht di- did dih dii dir dis dit diy drd dri drr drs drt dry dsd dsh dsi dsr dss dst dsy dtd dth dti dtr dts dtt dty dy- dyd dyr dys dyy h-i hdd hdh hdi hdr hds hdt hdy hhd hhh hhi hhr hhs hht hhy hid hih hii hir his hit hr- hrd hrh hri hrr hrs hrt hsd hsh hsi hsr hss hst hsy htd hth hti htr hts htt hty hy- hyd hyh hyi hyr hys hyt hyy i-d idd idh idi idr ids idt idy ihd ihh ihi ihr ihs iht ihy iid iih iii iir iis iit ir- ird iri irr irs irt iry is- isd ish isi isr iss ist isy itd ith iti its itt ity iyr iys iyt iyy rdd rdh rdi rdr rds rdt rdy rh- rhd rhh rhi rhr rhs rht rid rih rii rir ris rit riy rrd rrh rri rrr rrs rrt rsd rsh rsi rsr rss rst rtd rti rtr rts rtt rty ry- ryd ryr rys ryy sdd sdh sdi sdr sds sdt sdy sh- shd shh shi shr shs sht shy sid sih sii sir sis sit sr- srd srh sri srr srs srt sry ss- ssd ssh ssi ssr sss sst std sth sti str sts stt sty sy- syd syh syi syr sys syt tdd tdh tdi tdr tds tdt tdy th- thd thh thi thr ths tht thy tid tih tii tir tis tit tiy trd trh tri trr trs trt try tsd tsh tsi tsr tss tst tsy ttd tth tti ttr tts ttt tty tyd tyr tys tyt yds ydt ydy yhi yhs yht yid yih yii yir yis yit yrs yrt ysi ysr yss yst ysy ytd yth ytr yts ytt yys yyt yyy