-er a-a a-c aaa aac aad aae aah aam aar aax ac- aca acc acd ace ach acm acr acx ad- ada adc add ade adh adm adr adx aea aec aed aee aeh aem aer aex aha ahc ahd ahe ahh ahm ahr ahx ama amc amd ame amh amm amr amx ar- ara arc ard are arh arm arr arx ax- axa axe axh axm axr axx c-- caa cac cad cae cah cam car cax cca ccc ccd cce cch ccm ccr ccx cda cdc cdd cde cdh cdm cdr cdx ce- cea cec ced cee ceh cem cer cex ch- cha chc chd che chh chm chr chx cma cmc cmd cme cmh cmm cmr cmx cra crc crd cre crh crm crr crx cxc cxh cxr cxx daa dac dad dae dah dam dar dax dca dcc dcd dce dcm dcr dcx dda ddc ddd dde ddh ddm ddr ddx de- dea dec ded dee deh dem der dex dh- dha dhc dhd dhe dhh dhm dhr dma dmc dmd dme dmh dmm dmr dmx dra drc drd dre drm drr drx dxc dxd dxr dxx eaa eac ead eae eah eam ear eax ec- eca ecc ecd ece ech ecm ecr ecx ed- eda edc edd ede edh edm edr edx eea eec eed eee eem eer eex eha ehc ehd ehe ehh ehm ehr em- ema emc emd eme emh emm emr emx era erc erd ere erh erm err ex- exa exc exd exe exh exr exx haa hac had hae hah ham har hax hca hcc hcd hce hch hcm hcr hda hdc hdd hde hdh hdm hdr hdx he- hea hec hed hee heh hem her hex hha hhc hhd hhe hhh hhm hhr hma hmc hmd hme hmh hmm hmr hmx hr- hra hrc hrd hre hrh hrm hrr hxc hxd hxm m-r maa mac mad mae mah mam mar max mc- mca mcc mcd mce mch mcm mcr mcx mda mdc mdd mde mdh mdm mdr mdx mea mec med mee meh mem mer mex mha mhc mhd mhh mhm mhr mhx mma mmc mmd mme mmh mmm mmr mmx mra mrc mrd mre mrh mrm mrr mrx mxa mxc mxd mxr ra- raa rac rad rae rah ram rar rax rca rcc rcd rce rch rcm rcr rcx rda rdc rdd rde rdh rdm rdr rdx re- rea rec red ree reh rem rer rex rh- rha rhc rhd rhe rhh rhm rhr rma rmc rmd rme rmh rmm rmr rmx rra rrc rrd rrh rrm rrr rxr xaa xac xad xam xar xcd xch xcr xcx xda xdc xde xdh xdm xdr xed xee xem xer xex xhd xma xmc xmd xmh xmm xmr xmx xrc xrd xrx xxx