-al -er -ic a-a a-c a-i aaa aac aae aai aal aap aar aax ac- aca acc ace aci acl acp acr acx aea aec aee aei ael aep aer aex ai- aia aic aie aii ail aip air aix al- ala alc ale ali all alp alr alx ap- apa apc ape api apl app apr apx ar- ara arc are ari arl arp arr arx ax- axa axe axi axl axp axr axx c-- caa cac cae cai cal cap car cax cca ccc cce cci ccl ccp ccr ccx ce- cea cec cee cei cel cep cer cex ci- cia cic cie cii cil cip cir cix cl- cla clc cle cli cll clp clr clx cpa cpc cpe cpi cpl cpp cpr cpx cra crc cre cri crl crp crr crx cxc cxi cxl cxp cxr cxx eaa eac eae eai eal eap ear eax ec- eca ecc ece eci ecl ecr ecx eea eec eee eel eep eer eex eia eic eie eii eil eip eir eix ela elc ele eli ell elp elr elx ep- epa epc epe epi epl epp epr epx era erc ere eri erl erp err ex- exa exc exe exi exl exp exr exx ia- iaa iac iae iai ial iap iar ica icc ice ici icl icp icr ie- iea iec iee iei iel iep ier iex iia iic iie iii iil iip iir iix il- ila ilc ile ili ill ilp ilr ilx ipa ipc ipe ipi ipl ipp ipr ipx ir- ira irc ire iri irl irp irr irx ixc ixe ixi ixl l-p la- laa lac lae lai lal lap lar lax lca lcc lce lci lcl lcp lcr lcx lea lec lee lei lel lep ler lex lia lic lie lii lil lip lir lix lla llc lle lli lll llp llr lpa lpc lpe lpi lpl lpp lpr lpx lra lrc lri lrp lrr lxc lxi lxr lxx p-p paa pac pae pai pal pap par pax pca pcc pce pci pcl pcp pcr pcx pea pec pee pei pel pep per pex pia pic pie pii pil pip pir pix pla plc ple pli pll plp plr plx ppa ppc ppe ppi ppl ppp ppr ppx pra prc pre pri prl prp prr prx pxc pxe pxl pxr ra- raa rac rae rai ral rap rar rax rca rcc rce rci rcl rcp rcr rcx re- rea rec ree rei rel rep rer rex ria ric rie rii ril rip rir rix rla rlc rle rli rll rlp rlr rpa rpc rpe rpi rpl rpp rpr rpx rra rrc rri rrl rrp rrr rxp rxr xaa xac xal xap xar xci xcl xcp xcr xcx xee xel xep xer xex xia xic xie xii xix xla xli xlr xpa xpc xpe xpl xpp xrc xrx xxi xxl xxp xxx