-al -er -ic a-a a-c a-i aaa aac aae aaf aai aal aap aar aas ac- aca acc ace acf aci acl acp acr acs aea aec aee aef aei ael aep aer aes af- afa afc afe aff afi afl afp afr afs ai- aia aic aie aif aii ail aip air ais al- ala alc ale alf ali all alp alr als ap- apa apc ape apf api apl app apr aps ar- ara arc are arf ari arl arp arr ars as- asa asc ase asf asi asl asp asr ass c-- caa cac cae caf cai cal cap car cas cca ccc cce ccf cci ccl ccp ccr ccs ce- cea cec cee cef cei cel cep cer ces cfa cfc cfe cff cfi cfl cfp cfr cfs ci- cia cic cie cif cii cil cip cir cis cl- cla clc cle clf cli cll clp clr cls cpa cpc cpe cpf cpi cpl cpp cpr cps cra crc cre crf cri crl crp crr crs csa csc cse csf csi csl csp csr css eaa eac eae eaf eai eal eap ear eas ec- eca ecc ece ecf eci ecl ecr ecs eea eec eee eef eel eep eer ees ef- efa efc efe eff efi efl efp efr efs eia eic eie eif eii eil eip eir eis ela elc ele elf eli ell elp elr els ep- epa epc epe epf epi epl epp epr eps era erc ere erf eri erl erp err ers es- esa esc ese esf esi esl esp esr ess faa fac fae faf fai fal fap far fas fca fcc fce fcf fci fcl fcp fcr fcs fea fec fee fef fei fel fep fer fes ffa ffc ffe fff ffi ffl ffp ffr ffs fia fic fie fif fii fil fip fir fis fla flc fle flf fli fll flp flr fls fpa fpc fpe fpi fpl fpp fpr fps fra frc fre frf fri frl frp frr frs fsa fsc fse fsf fsi fsl fsp fsr fss i-f ia- iaa iac iae iaf iai ial iap iar ias ica icc ice icf ici icl icp icr ics ie- iea iec iee ief iei iel iep ier ies ifa ifc ife iff ifi ifl ifp ifr ifs iia iic iie iif iii iil iip iir iis il- ila ilc ile ilf ili ill ilp ilr ils ipa ipc ipe ipf ipi ipl ipp ipr ips ir- ira irc ire irf iri irl irp irr irs is- isa isc ise isf isi isl isp isr iss l-p la- laa lac lae laf lai lal lap lar las lca lcc lce lcf lci lcl lcp lcr lcs lea lec lee lef lei lel lep ler les lfa lfc lfe lff lfi lfl lfp lfr lfs lia lic lie lif lii lil lip lir lis lla llc lle llf lli lll llp llr lls lpa lpc lpe lpf lpi lpl lpp lpr lps lra lrc lrf lri lrp lrr lrs lsa lsc lse lsf lsi lsl lsp lsr lss p-p paa pac pae paf pai pal pap par pas pca pcc pce pcf pci pcl pcp pcr pcs pea pec pee pef pei pel pep per pes pfa pfc pfe pff pfi pfl pfp pfr pfs pia pic pie pif pii pil pip pir pis pla plc ple plf pli pll plp plr pls ppa ppc ppe ppf ppi ppl ppp ppr pps pra prc pre prf pri prl prp prr prs ps- psa psc pse psf psi psl psp psr pss ra- raa rac rae raf rai ral rap rar ras rca rcc rce rcf rci rcl rcp rcr rcs re- rea rec ree ref rei rel rep rer res rfa rfc rfe rff rfi rfl rfp rfr rfs ria ric rie rif rii ril rip rir ris rla rlc rle rlf rli rll rlp rlr rls rpa rpc rpe rpf rpi rpl rpp rpr rps rra rrc rrf rri rrl rrp rrr rrs rsa rsc rse rsf rsi rsl rsp rsr rss saa sac sae saf sai sal sap sar sas sca scc sce scf sci scl scp scr scs se- sea sec see sef sei sel sep ser ses sfa sfc sfe sff sfi sfl sfp sfr sfs sia sic sie sif sii sil sip sir sis sla slc sle slf sli sll slp slr sls spa spc spe spf spi spl spp spr sps sr- sra src sre srf sri srl srp srr srs ss- ssa ssc sse ssf ssi ssl ssp ssr sss