-ic a-a a-c a-i a-t aaa aac aae aai aan aap aat aax ac- aca acc ace aci acn acp act acx aea aec aee aei aen aep aet aex ai- aia aic aie aii ain aip ait aix an- ana anc ane ani ann anp ant anx ap- apa apc ape api apn app apt apx at- ata atc ate ati atn atp att atx ax- axa axe axi axn axp axt axx c-- caa cac cae cai can cap cat cax cca ccc cce cci ccn ccp cct ccx ce- cea cec cee cei cen cep cet cex ci- cia cic cie cii cin cip cit cix cn- cna cnc cne cni cnn cnp cnt cnx cpa cpc cpe cpi cpn cpp cpt cpx cta ctc cte cti ctn ctp ctt ctx cxc cxi cxp cxt cxx eaa eac eae eai ean eap eat eax ec- eca ecc ece eci ecn ect ecx eea eec eee een eep eet eex eia eic eie eii ein eip eit eix en- ena enc ene eni enn enp ent ep- epa epc epe epi epn epp ept epx eta etc ete eti etn etp ett etx ex- exa exc exe exi exp ext exx ia- iaa iac iae iai ian iap iat ica icc ice ici icn icp ict ie- iea iec iee iei ien iep iet iex iia iic iie iii iin iip iit iix in- ina inc ine ini inn inp int inx ipa ipc ipe ipi ipn ipp ipt ipx ita itc ite iti itn itp itt itx ixc ixe ixi ixn n-i naa nac nae nai nan nap nat nax nca ncc nce nci ncn ncp nct ncx ne- nea nec nee nei nen nep net nex nia nic nie nii nin nip nit nix nna nnc nne nni nnn nnp nnt npa npc npe npi npn npp npt nta ntc nte nti ntn ntp ntt ntx nxc nxt p-p paa pac pae pai pan pap pat pax pca pcc pce pci pcn pcp pct pcx pea pec pee pei pen pep pet pex pia pic pie pii pin pip pit pix pn- pna pnc pne pni pnn pnp pnt pnx ppa ppc ppe ppi ppn ppp ppt ppx pt- pta ptc pte pti ptn ptp ptt ptx pxc pxe pxt t-x taa tac tae tai tan tap tat tax tca tcc tce tci tcn tcp tct tcx te- tea tec tee tei ten tep tet tex tia tic tie tii tin tip tit tix tna tnc tne tni tnn tnp tnt tnx tpa tpc tpe tpi tpn tpp tpt tpx tta ttc tte tti ttn ttp ttt ttx txe txi txn txt xaa xac xan xap xat xci xcp xcx xee xen xep xet xex xia xic xie xii xin xit xix xna xnc xpa xpc xpe xpn xpp xpt xtc xti xtp xtx xxi xxp xxx