-al -er a-a a-c aaa aac aae aaf aal aap aar aas ac- aca acc ace acf acl acp acr acs aea aec aee aef ael aep aer aes af- afa afc afe aff afl afp afr afs al- ala alc ale alf all alp alr als ap- apa apc ape apf apl app apr aps ar- ara arc are arf arl arp arr ars as- asa asc ase asf asl asp asr ass c-- caa cac cae caf cal cap car cas cca ccc cce ccf ccl ccp ccr ccs ce- cea cec cee cef cel cep cer ces cfa cfc cfe cff cfl cfp cfr cfs cl- cla clc cle clf cll clp clr cls cpa cpc cpe cpf cpl cpp cpr cps cra crc cre crf crl crp crr crs csa csc cse csf csl csp csr css eaa eac eae eaf eal eap ear eas ec- eca ecc ece ecf ecl ecr ecs eea eec eee eef eel eep eer ees ef- efa efc efe eff efl efp efr efs ela elc ele elf ell elp elr els ep- epa epc epe epf epl epp epr eps era erc ere erf erl erp err ers es- esa esc ese esf esl esp esr ess faa fac fae faf fal fap far fas fca fcc fce fcf fcl fcp fcr fcs fea fec fee fef fel fep fer fes ffa ffc ffe fff ffl ffp ffr ffs fla flc fle flf fll flp flr fls fpa fpc fpe fpl fpp fpr fps fra frc fre frf frl frp frr frs fsa fsc fse fsf fsl fsp fsr fss l-p la- laa lac lae laf lal lap lar las lca lcc lce lcf lcl lcp lcr lcs lea lec lee lef lel lep ler les lfa lfc lfe lff lfl lfp lfr lfs lla llc lle llf lll llp llr lls lpa lpc lpe lpf lpl lpp lpr lps lra lrc lrf lrp lrr lrs lsa lsc lse lsf lsl lsp lsr lss p-p paa pac pae paf pal pap par pas pca pcc pce pcf pcl pcp pcr pcs pea pec pee pef pel pep per pes pfa pfc pfe pff pfl pfp pfr pfs pla plc ple plf pll plp plr pls ppa ppc ppe ppf ppl ppp ppr pps pra prc pre prf prl prp prr prs ps- psa psc pse psf psl psp psr pss ra- raa rac rae raf ral rap rar ras rca rcc rce rcf rcl rcp rcr rcs re- rea rec ree ref rel rep rer res rfa rfc rfe rff rfl rfp rfr rfs rla rlc rle rlf rll rlp rlr rls rpa rpc rpe rpf rpl rpp rpr rps rra rrc rrf rrl rrp rrr rrs rsa rsc rse rsf rsl rsp rsr rss saa sac sae saf sal sap sar sas sca scc sce scf scl scp scr scs se- sea sec see sef sel sep ser ses sfa sfc sfe sff sfl sfp sfr sfs sla slc sle slf sll slp slr sls spa spc spe spf spl spp spr sps sr- sra src sre srf srl srp srr srs ss- ssa ssc sse ssf ssl ssp ssr sss