-er a-a a-c aaa aac aae aaf aah aap aar aas ac- aca acc ace acf ach acp acr acs aea aec aee aef aeh aep aer aes af- afa afc afe aff afh afp afr afs aha ahc ahe ahf ahh ahp ahr ahs ap- apa apc ape apf aph app apr aps ar- ara arc are arf arh arp arr ars as- asa asc ase asf ash asp asr ass c-- caa cac cae caf cah cap car cas cca ccc cce ccf cch ccp ccr ccs ce- cea cec cee cef ceh cep cer ces cfa cfc cfe cff cfh cfp cfr cfs ch- cha chc che chf chh chp chr chs cpa cpc cpe cpf cph cpp cpr cps cra crc cre crf crh crp crr crs csa csc cse csf csh csp csr css eaa eac eae eaf eah eap ear eas ec- eca ecc ece ecf ech ecr ecs eea eec eee eef eep eer ees ef- efa efc efe eff efh efp efr efs eha ehc ehe ehf ehh ehp ehr ehs ep- epa epc epe epf eph epp epr eps era erc ere erf erh erp err ers es- esa esc ese esf esh esp esr ess faa fac fae faf fah fap far fas fca fcc fce fcf fcp fcr fcs fea fec fee fef feh fep fer fes ffa ffc ffe fff ffh ffp ffr ffs fha fhc fhe fhf fhh fhp fhr fhs fpa fpc fpe fph fpp fpr fps fra frc fre frf frh frp frr frs fsa fsc fse fsf fsh fsp fsr fss haa hac hae haf hah hap har has hca hcc hce hcf hch hcp hcr hcs he- hea hec hee hef heh hep her hes hfa hfc hfe hff hfh hfp hfr hfs hha hhc hhe hhf hhh hhp hhr hhs hpa hpc hpe hpf hph hpp hpr hps hr- hra hrc hre hrf hrh hrp hrr hrs hsa hsc hse hsf hsh hsp hsr hss p-p paa pac pae paf pah pap par pas pca pcc pce pcf pch pcp pcr pcs pea pec pee pef peh pep per pes pfa pfc pfe pff pfp pfr pfs pha phc phe phf php phr phs ppa ppc ppe ppf pph ppp ppr pps pra prc pre prf prh prp prr prs ps- psa psc pse psf psh psp psr pss ra- raa rac rae raf rah rap rar ras rca rcc rce rcf rch rcp rcr rcs re- rea rec ree ref reh rep rer res rfa rfc rfe rff rfh rfp rfr rfs rh- rha rhc rhe rhf rhh rhp rhr rhs rpa rpc rpe rpf rph rpp rpr rps rra rrc rrf rrh rrp rrr rrs rsa rsc rse rsf rsh rsp rsr rss saa sac sae saf sah sap sar sas sca scc sce scf sch scp scr scs se- sea sec see sef seh sep ser ses sfa sfc sfe sff sfh sfp sfr sfs sh- sha shc she shf shh shp shr shs spa spc spe spf sph spp spr sps sr- sra src sre srf srh srp srr srs ss- ssa ssc sse ssf ssh ssp ssr sss