a-a aaa aad aae aah aap aax ad- ada add ade adh adp adx aea aed aee aeh aep aex aha ahd ahe ahh ahp ahx ap- apa apd ape aph app apx ax- axa axe axh axp axx daa dad dae dah dap dax dda ddd dde ddh ddp ddx de- dea ded dee deh dep dex dh- dha dhd dhe dhh dhp dpa dpd dpe dph dpp dxd dxp dxx eaa ead eae eah eap eax ed- eda edd ede edh edp edx eea eed eee eep eex eha ehd ehe ehh ehp ep- epa epd epe eph epp epx ex- exa exd exe exh exp exx haa had hae hah hap hax hda hdd hde hdh hdp hdx he- hea hed hee heh hep hex hha hhd hhe hhh hhp hpa hpd hpe hph hpp hxd p-p paa pad pae pah pap pax pda pdd pde pdh pdp pdx pea ped pee peh pep pex pha phd phe php phx ppa ppd ppe pph ppp ppx pxe xaa xad xap xda xde xdh xed xee xep xex xhd xhp xpa xpd xpe xpp xxp xxx