a-a aaa aad aae aah aao aax ad- ada add ade adh ado adx aea aed aee aeh aeo aex aha ahd ahe ahh aho ahx aoa aod aoe aoh aoo aox ax- axa axe axh axo axx daa dad dae dah dao dax dda ddd dde ddh ddo ddx de- dea ded dee deh deo dex dh- dha dhd dhe dhh dho doa dod doe doh doo dox dxd dxo dxx eaa ead eae eah eao eax ed- eda edd ede edh edo edx eea eed eee eeo eex eha ehd ehe ehh eho eo- eoa eod eoe eoh eoo ex- exa exd exe exh exo exx haa had hae hah hao hax hda hdd hde hdh hdo hdx he- hea hed hee heh heo hex hha hhd hhe hhh hho hoa hod hoe hoh hoo hox hxd oaa oad oae oah oao oax oda odd ode odh odo oea oed oee oeh oeo oex oha ohd ohe ohh oho oo- ooa ood ooh ooo oox ox- oxa oxo oxx xaa xad xda xde xdh xed xee xex xhd xoa xod xoo xox xxo xxx