-er -ic a-a a-c a-i aaa aac aae aah aai aan aar aax ac- aca acc ace ach aci acn acr acx aea aec aee aeh aei aen aer aex aha ahc ahe ahh ahi ahn ahr ahx ai- aia aic aie aih aii ain air aix an- ana anc ane anh ani ann anr anx ar- ara arc are arh ari arn arr arx ax- axa axe axh axi axn axr axx c-- caa cac cae cah cai can car cax cca ccc cce cch cci ccn ccr ccx ce- cea cec cee ceh cei cen cer cex ch- cha chc che chh chi chn chr chx ci- cia cic cie cih cii cin cir cix cn- cna cnc cne cnh cni cnn cnr cnx cra crc cre crh cri crn crr crx cxc cxh cxi cxr cxx eaa eac eae eah eai ean ear eax ec- eca ecc ece ech eci ecn ecr ecx eea eec eee een eer eex eha ehc ehe ehh ehi ehn ehr eia eic eie eii ein eir eix en- ena enc ene enh eni enn enr era erc ere erh eri ern err ex- exa exc exe exh exi exr exx h-i haa hac hae hah hai han har hax hca hcc hce hch hci hcn hcr he- hea hec hee heh hei hen her hex hha hhc hhe hhh hhi hhn hhr hia hic hie hih hii hin hir hix hna hnc hne hnh hnn hr- hra hrc hre hrh hri hrn hrr hxc ia- iaa iac iae iah iai ian iar ica icc ice ich ici icn icr ie- iea iec iee iei ien ier iex iha ihc ihe ihh ihi ihn ihr iia iic iie iih iii iin iir iix in- ina inc ine inh ini inn inr inx ir- ira irc ire iri irn irr irx ixc ixe ixi ixn n-i naa nac nae nah nai nan nar nax nca ncc nce nch nci ncn ncr ncx ne- nea nec nee neh nei nen ner nex nha nhc nhe nhh nhi nhn nhr nia nic nie nih nii nin nir nix nna nnc nne nnh nni nnn nra nrc nre nri nrn nrr nrx nxc ra- raa rac rae rah rai ran rar rax rca rcc rce rch rci rcn rcr rcx re- rea rec ree reh rei ren rer rex rh- rha rhc rhe rhh rhi rhn rhr ria ric rie rih rii rin rir rix rna rnc rnh rni rnn rnr rra rrc rrh rri rrn rrr rxr xaa xac xan xar xch xci xcr xcx xee xen xer xex xia xic xie xii xin xix xna xnc xrc xrx xxi xxx