a-a a-i a-t aaa aad aae aai aap aat aax ad- ada add ade adi adp adt adx aea aed aee aei aep aet aex ai- aia aid aie aii aip ait aix ap- apa apd ape api app apt apx at- ata atd ate ati atp att atx ax- axa axe axi axp axt axx daa dad dae dai dap dat dax dda ddd dde ddi ddp ddt ddx de- dea ded dee dei dep det dex di- dia did die dii dip dit dix dpa dpd dpe dpi dpp dpt dta dtd dte dti dtp dtt dtx dxd dxi dxp dxt dxx eaa ead eae eai eap eat eax ed- eda edd ede edi edp edt edx eea eed eee eep eet eex eia eid eie eii eip eit eix ep- epa epd epe epi epp ept epx eta etd ete eti etp ett etx ex- exa exd exe exi exp ext exx i-d ia- iaa iad iae iai iap iat ida idd ide idi idp idt idx ie- iea ied iee iei iep iet iex iia iid iie iii iip iit iix ipa ipd ipe ipi ipp ipt ipx ita itd ite iti itp itt itx ixe ixi p-p paa pad pae pai pap pat pax pda pdd pde pdi pdp pdt pdx pea ped pee pei pep pet pex pia pid pie pii pip pit pix ppa ppd ppe ppi ppp ppt ppx pt- pta ptd pte pti ptp ptt ptx pxe pxt t-x taa tad tae tai tap tat tax tda tdd tde tdi tdp tdt tdx te- tea ted tee tei tep tet tex tia tid tie tii tip tit tix tpa tpd tpe tpi tpp tpt tpx tta ttd tte tti ttp ttt ttx txe txi txt xaa xad xap xat xda xde xdi xdt xed xee xep xet xex xia xie xii xit xix xpa xpd xpe xpp xpt xti xtp xtx xxi xxp xxx