-er a-a a-c aaa aac aae aaf aah aar aas aav ac- aca acc ace acf ach acr acs acv aea aec aee aef aeh aer aes aev af- afa afc afe aff afh afr afs afv aha ahc ahe ahf ahh ahr ahs ahv ar- ara arc are arf arh arr ars arv as- asa asc ase asf ash asr ass asv av- ava avc ave avf avh avr avs c-- caa cac cae caf cah car cas cav cca ccc cce ccf cch ccr ccs ccv ce- cea cec cee cef ceh cer ces cev cfa cfc cfe cff cfh cfr cfs cfv ch- cha chc che chf chh chr chs chv cra crc cre crf crh crr crs crv csa csc cse csf csh csr css csv cva cvc cve cvf cvh cvr cvs cvv eaa eac eae eaf eah ear eas eav ec- eca ecc ece ecf ech ecr ecs ecv eea eec eee eef eer ees eev ef- efa efc efe eff efh efr efs eha ehc ehe ehf ehh ehr ehs ehv era erc ere erf erh err ers erv es- esa esc ese esf esh esr ess esv eva evc eve evf evh evr evs evv faa fac fae faf fah far fas fav fca fcc fce fcf fcr fcs fcv fea fec fee fef feh fer fes fev ffa ffc ffe fff ffh ffr ffs ffv fha fhc fhe fhf fhh fhr fhs fhv fra frc fre frf frh frr frs fsa fsc fse fsf fsh fsr fss fsv fva fvc fvh haa hac hae haf hah har has hav hca hcc hce hcf hch hcr hcs hcv he- hea hec hee hef heh her hes hev hfa hfc hfe hff hfh hfr hfs hfv hha hhc hhe hhf hhh hhr hhs hhv hr- hra hrc hre hrf hrh hrr hrs hrv hsa hsc hse hsf hsh hsr hss hsv hv- hva hvc hvf hvr hvs hvv ra- raa rac rae raf rah rar ras rav rca rcc rce rcf rch rcr rcs rcv re- rea rec ree ref reh rer res rev rfa rfc rfe rff rfh rfr rfs rfv rh- rha rhc rhe rhf rhh rhr rhs rhv rra rrc rrf rrh rrr rrs rsa rsc rse rsf rsh rsr rss rsv rva rvc rve rvf rvh rvr rvs rvv saa sac sae saf sah sar sas sav sca scc sce scf sch scr scs scv se- sea sec see sef seh ser ses sev sfa sfc sfe sff sfh sfr sfs sfv sh- sha shc she shf shh shr shs shv sr- sra src sre srf srh srr srs srv ss- ssa ssc sse ssf ssh ssr sss ssv sva svc sve svf svr svs svv v-a v-e vaa vac vae vah var vas vav vca vcc vce vcf vch vcr vcs vea vec vee vef veh ver ves vfa vfc vff vfr vfs vfv vh- vha vhc vhe vhf vhs vra vrc vre vrf vrh vrr vrs vsa vsc vse vsf vsh vsr vss vsv vva vvc vvr vvs vvv