-al -er -ic a-a a-c a-i aaa aac aae aai aal aap aar aas ac- aca acc ace aci acl acp acr acs aea aec aee aei ael aep aer aes ai- aia aic aie aii ail aip air ais al- ala alc ale ali all alp alr als ap- apa apc ape api apl app apr aps ar- ara arc are ari arl arp arr ars as- asa asc ase asi asl asp asr ass c-- caa cac cae cai cal cap car cas cca ccc cce cci ccl ccp ccr ccs ce- cea cec cee cei cel cep cer ces ci- cia cic cie cii cil cip cir cis cl- cla clc cle cli cll clp clr cls cpa cpc cpe cpi cpl cpp cpr cps cra crc cre cri crl crp crr crs csa csc cse csi csl csp csr css eaa eac eae eai eal eap ear eas ec- eca ecc ece eci ecl ecr ecs eea eec eee eel eep eer ees eia eic eie eii eil eip eir eis ela elc ele eli ell elp elr els ep- epa epc epe epi epl epp epr eps era erc ere eri erl erp err ers es- esa esc ese esi esl esp esr ess ia- iaa iac iae iai ial iap iar ias ica icc ice ici icl icp icr ics ie- iea iec iee iei iel iep ier ies iia iic iie iii iil iip iir iis il- ila ilc ile ili ill ilp ilr ils ipa ipc ipe ipi ipl ipp ipr ips ir- ira irc ire iri irl irp irr irs is- isa isc ise isi isl isp isr iss l-p la- laa lac lae lai lal lap lar las lca lcc lce lci lcl lcp lcr lcs lea lec lee lei lel lep ler les lia lic lie lii lil lip lir lis lla llc lle lli lll llp llr lls lpa lpc lpe lpi lpl lpp lpr lps lra lrc lri lrp lrr lrs lsa lsc lse lsi lsl lsp lsr lss p-p paa pac pae pai pal pap par pas pca pcc pce pci pcl pcp pcr pcs pea pec pee pei pel pep per pes pia pic pie pii pil pip pir pis pla plc ple pli pll plp plr pls ppa ppc ppe ppi ppl ppp ppr pps pra prc pre pri prl prp prr prs ps- psa psc pse psi psl psp psr pss ra- raa rac rae rai ral rap rar ras rca rcc rce rci rcl rcp rcr rcs re- rea rec ree rei rel rep rer res ria ric rie rii ril rip rir ris rla rlc rle rli rll rlp rlr rls rpa rpc rpe rpi rpl rpp rpr rps rra rrc rri rrl rrp rrr rrs rsa rsc rse rsi rsl rsp rsr rss saa sac sae sai sal sap sar sas sca scc sce sci scl scp scr scs se- sea sec see sei sel sep ser ses sia sic sie sii sil sip sir sis sla slc sle sli sll slp slr sls spa spc spe spi spl spp spr sps sr- sra src sre sri srl srp srr srs ss- ssa ssc sse ssi ssl ssp ssr sss