a-a a-i aaa aad aai aan aao aax ad- ada add adi adn ado adx ai- aia aid aii ain aio aix an- ana and ani ann ano anx aoa aod aoi aon aoo aox ax- axa axi axn axo axx daa dad dai dan dao dax dda ddd ddi ddn ddo ddx di- dia did dii din dio dix dna dnd dni dnn dno doa dod doi don doo dox dxd dxi dxn dxo dxx i-d ia- iaa iad iai ian iao 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 n-i naa nad nai nan nao nax nda ndd ndi ndn ndo nia nid nii nin nio nix nna nni nnn nno no- noa nod noi non noo nox nxd o-i oaa oad oai oan oao oax oda odd odi odn odo oia oid oii oin oio on- ona ond oni onn ono onx oo- ooa ood ooi oon ooo oox ox- oxa oxi oxn oxo oxx xaa xad xan xda xdi xia xii xin xio xix xna xno xoa xod xoi xon xoo xox xxi xxo xxx