-ic a-a a-c a-i a-t aaa aac aai aan aat aax aay ac- aca acc aci acn act acx acy ai- aia aic aii ain ait aix aiy an- ana anc ani ann ant anx any at- ata atc ati atn att atx ax- axa axi axn axt axx ay- aya ayc ayi ayn ayt ayx c-- caa cac cai can cat cax cay cca ccc cci ccn cct ccx ci- cia cic cii cin cit cix cn- cna cnc cni cnn cnt cnx cny cta ctc cti ctn ctt ctx cty cxc cxi cxt cxx cya cyc cyn cyt ia- iaa iac iai ian iat ica icc ici icn ict icy iia iic iii iin iit iix in- ina inc ini inn int inx iny ita itc iti itn itt itx ity ixc ixi ixn ixy iya iyc iyt iyy n-i naa nac nai nan nat nax nay nca ncc nci ncn nct ncx nia nic nii nin nit nix nna nnc nni nnn nnt nta ntc nti ntn ntt ntx nxc nxt nya nyc nyn nyt nyx nyy t-x taa tac tai tan tat tax tay tca tcc tci tcn tct tcx tia tic tii tin tit tix tiy tna tnc tni tnn tnt tnx tta ttc tti ttn ttt ttx tty txi txn txt tya tyc tyn tyt xaa xac xan xat xci xcx xia xic xii xin xit xix xna xnc xtc xti xtx xty xxi xxx xxy xyy yaa yac yai yan yat yax yay yca ycc yci ycy yii yin yit yna ynn yny yta ytc ytn ytt yxa yxy yyc yyt yyy