ddd ddh ddi ddp ddy dh- dhd dhh dhi dhp di- did dih dii dip diy dpd dph dpi dpp dy- dyd dyp dyy h-i hdd hdh hdi hdp hdy hhd hhh hhi hhp hhy hid hih hii hip hpd hph hpi hpp hpy hy- hyd hyh hyi hyp hyy i-d idd idh idi idp idy ihd ihh ihi ihp ihy iid iih iii iip ipd ipi ipp ipy iyy p-p pdd pdh pdi pdp phd phi php phy pid pih pii pip ppd pph ppi ppp py- pyd ydy yhi yid yih yii yip ypd yyy