-al -er -ic a-a a-c a-i aaa aac aae aai aal aar aax ac- aca acc ace aci acl acr acx aea aec aee aei ael aer aex ai- aia aic aie aii ail air aix al- ala alc ale ali all alr alx ar- ara arc are ari arl arr arx ax- axa axe axi axl axr axx c-- caa cac cae cai cal car cax cca ccc cce cci ccl ccr ccx ce- cea cec cee cei cel cer cex ci- cia cic cie cii cil cir cix cl- cla clc cle cli cll clr clx cra crc cre cri crl crr crx cxc cxi cxl cxr cxx eaa eac eae eai eal ear eax ec- eca ecc ece eci ecl ecr ecx eea eec eee eel eer eex eia eic eie eii eil eir eix ela elc ele eli ell elr elx era erc ere eri erl err ex- exa exc exe exi exl exr exx ia- iaa iac iae iai ial iar ica icc ice ici icl icr ie- iea iec iee iei iel ier iex iia iic iie iii iil iir iix il- ila ilc ile ili ill ilr ilx ir- ira irc ire iri irl irr irx ixc ixe ixi ixl la- laa lac lae lai lal lar lax lca lcc lce lci lcl lcr lcx lea lec lee lei lel ler lex lia lic lie lii lil lir lix lla llc lle lli lll llr lra lrc lri lrr lxc lxi lxr lxx ra- raa rac rae rai ral rar rax rca rcc rce rci rcl rcr rcx re- rea rec ree rei rel rer rex ria ric rie rii ril rir rix rla rlc rle rli rll rlr rra rrc rri rrl rrr rxr xaa xac xal xar xci xcl xcr xcx xee xel xer xex xia xic xie xii xix xla xli xlr xrc xrx xxi xxl xxx