a-a a-i a-z aaa aad aae aai aau aax aaz ad- ada add ade adi adu adx adz aea aed aee aei aeu aex aez ai- aia aid aie aii aiu aix aiz au- aua aud aue aui aux auz ax- axa axe axi axx az- aza azd aze azi azu azx azz daa dad dae dai dau dax daz dda ddd dde ddi ddu ddx ddz de- dea ded dee dei deu dex dez di- dia did die dii diu dix diz dua dud due dui dux duz dxd dxi dxx dza dzd dze dzi dzu eaa ead eae eai eau eax eaz ed- eda edd ede edi edu edx eea eed eee eex eia eid eie eii eiu eix eu- eua eud eue eui eux ex- exa exd exe exi exu exx eze ezz i-d ia- iaa iad iae iai iau iaz ida idd ide idi idu idx ie- iea ied iee iei iex iia iid iie iii iiu iix iu- iua iud iue iui iuz ixe ixi iza ize izi izu izz ua- uaa uad uae uai uau uaz uda udd ude udi udu udx uea ued uee uei uia uid uie uii uiu uua uue uuu uxu uza uzi uzu xaa xad xau xda xde xdi xed xee xeu xex xia xie xii xiu xix xue xui xxi xxx zaa zad zai zax zaz zea zed zee zez zia zid zie zix ziz zud zui zuz zxx zzx zzz