ddd ddi ddn ddp ddr ddy di- did dii din dip dir diy dnd dni dnn dnp dnr dny dpd dpi dpn dpp dpr drd dri drn drp drr dry dy- dyd dyn dyp dyr dyy i-d idd idi idn idp idr idy iid iii iin iip iir in- ind ini inn inp inr iny ipd ipi ipn ipp ipr ipy ir- ird iri irn irp irr iry iyr iyy n-i ndd ndi ndn ndp ndr ndy nid nii nin nip nir nni nnn nnp npd npi npn npp npr nrd nri nrn nrp nrr nry nyd nyn nyp nyy p-p pdd pdi pdn pdp pdr pid pii pin pip pir pn- pnd pni pnn pnp pnr pny ppd ppi ppn ppp ppr prd pri prn prp prr pry py- pyd pyn pyr rdd rdi rdn rdp rdr rdy rid rii rin rip rir riy rnd rni rnn rnp rnr rny rpd rpi rpn rpp rpr rrd rri rrn rrp rrr ry- ryd ryn ryr ryy ydn ydy yid yii yin yip yir ynd ynn ynp yny ypd yrn yrp yyy