ddd ddh ddi ddo ddp dds ddx dh- dhd dhh dhi dho dhp dhs di- did dih dii dio dip dis dix dod doh doi doo dop dos dox dpd dph dpi dpo dpp dps dsd dsh dsi dso dsp dss dsx dxd dxi dxo dxp dxs dxx h-i hdd hdh hdi hdo hdp hds hdx hhd hhh hhi hho hhp hhs hid hih hii hio hip his hix hod hoh hoi hoo hop hos hox hpd hph hpi hpo hpp hps hsd hsh hsi hsp hss hsx hxd i-d idd idh idi ido idp ids idx ihd ihh ihi iho ihp ihs iid iih iii iio iip iis iix io- iod ioh ioi ioo iop ios ipd ipi ipo ipp ips ipx is- isd ish isi iso isp iss ixi o-i odd odh odi odo odp ods ohd ohh ohi oho ohp ohs oid oii oio oip ois oo- ood ooh ooi ooo oop oos oox op- opd oph opi opo opp ops opx os- osd osh osi oso osp oss osx ox- oxi oxo oxx p-p pdd pdh pdi pdo pdp pds pdx phd phi pho php phs phx pid pih pii pio pip pis pix pod poh poi poo pop pos pox ppd pph ppi ppo ppp pps ppx ps- psd psh psi pso psp pss psx pxs sdd sdh sdi sdo sdp sds sh- shd shh shi sho shp shs sid sih sii sio sip sis six sod soh soi soo sop sos sox spd sph spi spo spp sps spx ss- ssd ssh ssi sso ssp sss ssx sxi sxs xdh xdi xds xhd xhp xii xio xis xix xod xoi xoo xop xos xox xpd xpo xpp xps xsi xsp xss xxi xxo xxp xxx