ddd ddh ddi ddp ddr ddx ddy dh- dhd dhh dhi dhp dhr di- did dih dii dip dir dix diy dpd dph dpi dpp dpr drd dri drp drr drx dry dxd dxi dxp dxr dxx dy- dyd dyp dyr dyy h-i hdd hdh hdi hdp hdr hdx hdy hhd hhh hhi hhp hhr hhy hid hih hii hip hir hix hpd hph hpi hpp hpr hpy hr- hrd hrh hri hrp hrr hxd hy- hyd hyh hyi hyp hyr hyy i-d idd idh idi idp idr idx idy ihd ihh ihi ihp ihr ihy iid iih iii iip iir iix ipd ipi ipp ipr ipx ipy ir- ird iri irp irr irx iry ixi ixy iyr iyy p-p pdd pdh pdi pdp pdr pdx phd phi php phr phx phy pid pih pii pip pir pix ppd pph ppi ppp ppr ppx prd prh pri prp prr prx pry pxr py- pyd pyr pyx rdd rdh rdi rdp rdr rdx rdy rh- rhd rhh rhi rhp rhr rid rih rii rip rir rix riy rpd rph rpi rpp rpr rpx rrd rrh rri rrp rrr rxp rxr ry- ryd ryr ryy xdh xdi xdr xhd xhp xii xix xpd xpp xrd xrx xry xxi xxp xxx xxy xyp xyr xyy ydy yhi yid yih yii yip yir ypd yrp yxy yyy