-er a-a a-c aaa aac aad aae aaf aah aao aar aas ac- aca acc acd ace acf ach aco acr acs ad- ada adc add ade adf adh ado adr ads aea aec aed aee aef aeh aeo aer aes af- afa afc afd afe aff afh afo afr afs aha ahc ahd ahe ahf ahh aho ahr ahs aoa aoc aod aoe aof aoh aoo aor aos ar- ara arc ard are arf arh aro arr ars as- asa asc asd ase asf ash aso asr ass c-- caa cac cad cae caf cah cao car cas cca ccc ccd cce ccf cch cco ccr ccs cda cdc cdd cde cdf cdh cdo cdr cds ce- cea cec ced cee cef ceh ceo cer ces cfa cfc cfd cfe cff cfh cfo cfr cfs ch- cha chc chd che chf chh cho chr chs co- coa coc cod coe cof coh coo cor cos cra crc crd cre crf crh cro crr crs csa csc csd cse csf csh cso csr css daa dac dad dae daf dah dao dar das dca dcc dcd dce dcf dco dcr dcs dda ddc ddd dde ddf ddh ddo ddr dds de- dea dec ded dee def deh deo der des dfa dfc dfd dfe dff dfh dfo dfr dfs dh- dha dhc dhd dhe dhf dhh dho dhr dhs doa doc dod doe dof doh doo dor dos dra drc drd dre dro drr drs dsa dsc dsd dse dsf dsh dso dsr dss eaa eac ead eae eaf eah eao ear eas ec- eca ecc ecd ece ecf ech eco ecr ecs ed- eda edc edd ede edf edh edo edr eds eea eec eed eee eef eeo eer ees ef- efa efc efd efe eff efh efo efr efs eha ehc ehd ehe ehf ehh eho ehr ehs eo- eoa eoc eod eoe eof eoh eoo eor eos era erc erd ere erf erh ero err ers es- esa esc esd ese esf esh eso esr ess faa fac fad fae faf fah fao far fas fca fcc fcd fce fcf fco fcr fcs fda fdc fdd fde fdf fdh fdo fdr fds fea fec fed fee fef feh feo fer fes ffa ffc ffd ffe fff ffh ffo ffr ffs fha fhc fhe fhf fhh fho fhr fhs foa foc foe fof foh foo for fos fra frc frd fre frf frh fro frr frs fsa fsc fsd fse fsf fsh fso fsr fss haa hac had hae haf hah hao har has hca hcc hcd hce hcf hch hco hcr hcs hda hdc hdd hde hdf hdh hdo hdr hds he- hea hec hed hee hef heh heo her hes hfa hfc hfd hfe hff hfh hfo hfr hfs hha hhc hhd hhe hhf hhh hho hhr hhs hoa hoc hod hoe hof hoh hoo hor hos hr- hra hrc hrd hre hrf hrh hro hrr hrs hsa hsc hsd hse hsf hsh hsr hss oaa oac oad oae oaf oah oao oar oas oc- oca occ ocd ocf och oco ocr ocs oda odc odd ode odf odh odo odr ods oea oec oed oee oef oeh oeo oer oes of- ofa ofc ofd ofe off ofo ofr ofs oha ohc ohd ohe ohf ohh oho ohr ohs oo- ooa ooc ood oof ooh ooo oor oos or- ora orc ord ore orf orh oro orr ors os- osa osc osd ose osf osh oso osr oss ra- raa rac rad rae raf rah rao rar ras rca rcc rcd rce rcf rch rco rcr rcs rda rdc rdd rde rdf rdh rdo rdr rds re- rea rec red ree ref reh reo rer res rfa rfc rfd rfe rff rfh rfo rfr rfs rh- rha rhc rhd rhe rhf rhh rho rhr rhs roa roc rod roe rof roh roo ror ros rra rrc rrd rrf rrh rrr rrs rsa rsc rsd rse rsf rsh rso rsr rss saa sac sad sae saf sah sao sar sas sca scc scd sce scf sch sco scr scs sda sdc sdd sde sdf sdh sdo sdr sds se- sea sec sed see sef seh seo ser ses sfa sfc sfd sfe sff sfh sfo sfr sfs sh- sha shc shd she shf shh sho shr shs soa soc sod soe sof soh soo sor sos sr- sra src srd sre srf srh sro srr srs ss- ssa ssc ssd sse ssf ssh sso ssr sss