ddd ddi ddn ddp ddr dds ddy di- did dii din dip dir dis diy dnd dni dnn dnp dnr dns dny dpd dpi dpn dpp dpr dps drd dri drn drp drr drs dry dsd dsi dsn dsp dsr dss dsy dy- dyd dyn dyp dyr dys dyy i-d idd idi idn idp idr ids idy iid iii iin iip iir iis in- ind ini inn inp inr ins iny ipd ipi ipn ipp ipr ips ipy ir- ird iri irn irp irr irs iry is- isd isi isn isp isr iss isy iyr iys iyy n-i ndd ndi ndn ndp ndr nds ndy nid nii nin nip nir nis nni nnn nnp nns npd npi npn npp npr nps nrd nri nrn nrp nrr nrs nry nsd nsi nsn nsp nsr nss nsy nyd nyn nyp nys nyy p-p pdd pdi pdn pdp pdr pds pid pii pin pip pir pis pn- pnd pni pnn pnp pnr pns pny ppd ppi ppn ppp ppr pps prd pri prn prp prr prs pry ps- psd psi psn psp psr pss psy py- pyd pyn pyr pys rdd rdi rdn rdp rdr rds rdy rid rii rin rip rir ris riy rnd rni rnn rnp rnr rns rny rpd rpi rpn rpp rpr rps rrd rri rrn rrp rrr rrs rsd rsi rsn rsp rsr rss ry- ryd ryn ryr rys ryy sdd sdi sdn sdp sdr sds sdy sid sii sin sip sir sis snd sni snn snp snr sns sny spd spi spn spp spr sps spy sr- srd sri srn srp srr srs sry ss- ssd ssi ssn ssp ssr sss sy- syd syi syn syp syr sys ydn yds ydy yid yii yin yip yir yis ynd ynn ynp yns yny ypd yps yrn yrp yrs ysi ysp ysr yss ysy yys yyy