ddd dde ddh ddi ddl ddp ddx de- ded dee deh dei del dep dex dh- dhd dhe dhh dhi dhl dhp di- did die dih dii dil dip dix dl- dld dle dlh dli dll dlp dlx dpd dpe dph dpi dpl dpp dxd dxi dxl dxp dxx ed- edd ede edh edi edl edp edx eed eee eel eep eex ehd ehe ehh ehi ehl ehp eid eie eii eil eip eix eld ele elh eli ell elp elx ep- epd epe eph epi epl epp epx ex- exd exe exh exi exl exp exx h-i hdd hde hdh hdi hdl hdp hdx he- hed hee heh hei hel hep hex hhd hhe hhh hhi hhl hhp hid hie hih hii hil hip hix hld hle hlh hli hll hlp hlx hpd hpe hph hpi hpl hpp hxd hxl i-d idd ide idh idi idl idp idx ie- ied iee iei iel iep iex ihd ihe ihh ihi ihl ihp iid iie iih iii iil iip iix il- ild ile ilh ili ill ilp ilx ipd ipe ipi ipl ipp ipx ixe ixi ixl l-p ldd lde ldh ldi ldl ldp led lee leh lei lel lep lex lhd lhh lhi lhp lhx lid lie lih lii lil lip lix lld lle lli lll llp lpd lpe lph lpi lpl lpp lpx lxd lxi lxx p-p pdd pde pdh pdi pdl pdp pdx ped pee peh pei pel pep pex phd phe phi phl php phx pid pie pih pii pil pip pix pld ple plh pli pll plp plx ppd ppe pph ppi ppl ppp ppx pxe pxl xde xdh xdi xed xee xel xep xex xhd xhp xie xii xix xld xli xpd xpe xpl xpp xxi xxl xxp xxx