ddd ddh ddi ddo ddp ddx dh- dhd dhh dhi dho dhp di- did dih dii dio dip dix dod doh doi doo dop dox dpd dph dpi dpo dpp dxd dxi dxo dxp dxx h-i hdd hdh hdi hdo hdp hdx hhd hhh hhi hho hhp hid hih hii hio hip hix hod hoh hoi hoo hop hox hpd hph hpi hpo hpp hxd i-d idd idh idi ido idp idx ihd ihh ihi iho ihp iid iih iii iio iip iix io- iod ioh ioi ioo iop ipd ipi ipo ipp ipx ixi o-i odd odh odi odo odp ohd ohh ohi oho ohp oid oii oio oip oo- ood ooh ooi ooo oop oox op- opd oph opi opo opp opx ox- oxi oxo oxx p-p pdd pdh pdi pdo pdp pdx phd phi pho php phx pid pih pii pio pip pix pod poh poi poo pop pox ppd pph ppi ppo ppp ppx xdh xdi xhd xhp xii xio xix xod xoi xoo xop xox xpd xpo xpp xxi xxo xxp xxx