ddd ddh ddi ddp ddx dh- dhd dhh dhi dhp di- did dih dii dip dix dpd dph dpi dpp dxd dxi dxp dxx h-i hdd hdh hdi hdp hdx hhd hhh hhi hhp hid hih hii hip hix hpd hph hpi hpp hxd i-d idd idh idi idp idx ihd ihh ihi ihp iid iih iii iip iix ipd ipi ipp ipx ixi p-p pdd pdh pdi pdp pdx phd phi php phx pid pih pii pip pix ppd pph ppi ppp ppx xdh xdi xhd xhp xii xix xpd xpp xxi xxp xxx