-al -er a-a a-c aaa aac aae aal aam aar aax ac- aca acc ace acl acm acr acx aea aec aee ael aem aer aex al- ala alc ale all alm alr alx ama amc ame aml amm amr amx ar- ara arc are arl arm arr arx ax- axa axe axl axm axr axx c-- caa cac cae cal cam car cax cca ccc cce ccl ccm ccr ccx ce- cea cec cee cel cem cer cex cl- cla clc cle cll clm clr clx cma cmc cme cml cmm cmr cmx cra crc cre crl crm crr crx cxc cxl cxr cxx eaa eac eae eal eam ear eax ec- eca ecc ece ecl ecm ecr ecx eea eec eee eel eem eer eex ela elc ele ell elm elr elx em- ema emc eme eml emm emr emx era erc ere erl erm err ex- exa exc exe exl exr exx la- laa lac lae lal lam lar lax lca lcc lce lcl lcm lcr lcx lea lec lee lel lem ler lex lla llc lle lll llm llr lma lmc lme lml lmm lmr lra lrc lrm lrr lxc lxr lxx m-r maa mac mae mal mam mar max mc- mca mcc mce mcl mcm mcr mcx mea mec mee mel mem mer mex mla mlc mle mll mlm mlr mlx mma mmc mme mml mmm mmr mmx mra mrc mre mrl mrm mrr mrx mxa mxc mxl mxr ra- raa rac rae ral ram rar rax rca rcc rce rcl rcm rcr rcx re- rea rec ree rel rem rer rex rla rlc rle rll rlm rlr rma rmc rme rml rmm rmr rmx rra rrc rrl rrm rrr rxr xaa xac xal xam xar xcl xcr xcx xee xel xem xer xex xla xlm xlr xma xmc xml xmm xmr xmx xrc xrx xxl xxx