a-a a-i a-z aaa aad aai aan aao aax aaz ad- ada add adi adn ado adx adz ai- aia aid aii ain aio aix aiz an- ana and ani ann ano anx anz aoa aod aoi aon aoo aox ax- axa axi axn axo axx az- aza azd azi azn azo azx azz daa dad dai dan dao dax daz dda ddd ddi ddn ddo ddx ddz di- dia did dii din dio dix diz dna dnd dni dnn dno dnz doa dod doi don doo dox doz dxd dxi dxn dxo dxx dza dzd dzi dzo i-d ia- iaa iad iai ian iao iaz ida idd idi idn ido idx iia iid iii iin iio iix in- ina ind ini inn ino inx io- ioa iod ioi ion ioo ixi ixn iza izi izo izz n-i naa nad nai nan nao nax naz nda ndd ndi ndn ndo nia nid nii nin nio nix niz nna nni nnn nno nnz no- noa nod noi non noo nox noz nxd nzd nzi nzo nzz o-i oaa oad oai oan oao oax oda odd odi odn odo oia oid oii oin oio oiz on- ona ond oni onn ono onx oo- ooa ood ooi oon ooo oox ox- oxa oxi oxn oxo oxx oza ozo ozz xaa xad xan xda xdi xia xii xin xio xix xna xno xoa xod xoi xon xoo xox xxi xxo xxx zaa zad zai zan zao zax zaz zia zid zin zio zix ziz znd znn zno zo- zoa zod zoi zon zoo zox zxx zzx zzz