ddd ddh ddi ddp dds ddx dh- dhd dhh dhi dhp dhs di- did dih dii dip dis dix dpd dph dpi dpp dps dsd dsh dsi dsp dss dsx dxd dxi dxp dxs dxx h-i hdd hdh hdi hdp hds hdx hhd hhh hhi hhp hhs hid hih hii hip his hix hpd hph hpi hpp hps hsd hsh hsi hsp hss hsx hxd i-d idd idh idi idp ids idx ihd ihh ihi ihp ihs iid iih iii iip iis iix ipd ipi ipp ips ipx is- isd ish isi isp iss ixi p-p pdd pdh pdi pdp pds pdx phd phi php phs phx pid pih pii pip pis pix ppd pph ppi ppp pps ppx ps- psd psh psi psp pss psx pxs sdd sdh sdi sdp sds sh- shd shh shi shp shs sid sih sii sip sis six spd sph spi spp sps spx ss- ssd ssh ssi ssp sss ssx sxi sxs xdh xdi xds xhd xhp xii xis xix xpd xpp xps xsi xsp xss xxi xxp xxx