-ic a-a a-c a-i aaa aac aai aan aao aax aay ac- aca acc aci acn aco acx acy ai- aia aic aii ain aio aix aiy an- ana anc ani ann ano anx any aoa aoc aoi aon aoo aox ax- axa axi axn axo axx ay- aya ayc ayi ayn ayo ayx c-- caa cac cai can cao cax cay cca ccc cci ccn cco ccx ci- cia cic cii cin cio cix cn- cna cnc cni cnn cno cnx cny co- coa coc coi con coo cox coy cxc cxi cxo cxx cya cyc cyn cyo ia- iaa iac iai ian iao ica icc ici icn ico icy iia iic iii iin iio iix in- ina inc ini inn ino inx iny io- ioa ioc ioi ion ioo ixc ixi ixn ixy iya iyc iyo iyy n-i naa nac nai nan nao nax nay nca ncc nci ncn nco ncx nia nic nii nin nio nix nna nnc nni nnn nno no- noa noc noi non noo nox noy nxc nya nyc nyn nyo nyx nyy o-i oaa oac oai oan oao oax oc- oca occ oci ocn oco ocx oia oic oii oin oio on- ona onc oni onn ono onx ony oo- ooa ooc ooi oon ooo oox ox- oxa oxc oxi oxn oxo oxx oxy oya oyi oyo xaa xac xan xci xcx xia xic xii xin xio xix xna xnc xno xoa xoc xoi xon xoo xox xxi xxo xxx xxy xyy yaa yac yai yan yao yax yay yca ycc yci yco ycy yii yin yio yna ynn yny yoc yoi yon yoo yox yoy yxa yxy yyc yyy