-er a-a aaa aad aae aaf aao aap aar aas ad- ada add ade adf ado adp adr ads aea aed aee aef aeo aep aer aes af- afa afd afe aff afo afp afr afs aoa aod aoe aof aoo aop aor aos ap- apa apd ape apf apo app apr aps ar- ara ard are arf aro arp arr ars as- asa asd ase asf aso asp asr ass daa dad dae daf dao dap dar das dda ddd dde ddf ddo ddp ddr dds de- dea ded dee def deo dep der des dfa dfd dfe dff dfo dfp dfr dfs doa dod doe dof doo dop dor dos dpa dpd dpe dpf dpo dpp dpr dps dra drd dre dro drp drr drs dsa dsd dse dsf dso dsp dsr dss eaa ead eae eaf eao eap ear eas ed- eda edd ede edf edo edp edr eds eea eed eee eef eeo eep eer ees ef- efa efd efe eff efo efp efr efs eo- eoa eod eoe eof eoo eop eor eos ep- epa epd epe epf epo epp epr eps era erd ere erf ero erp err ers es- esa esd ese esf eso esp esr ess faa fad fae faf fao fap far fas fda fdd fde fdf fdo fdp fdr fds fea fed fee fef feo fep fer fes ffa ffd ffe fff ffo ffp ffr ffs foa foe fof foo fop for fos fpa fpd fpe fpo fpp fpr fps fra frd fre frf fro frp frr frs fsa fsd fse fsf fso fsp fsr fss oaa oad oae oaf oao oap oar oas oda odd ode odf odo odp odr ods oea oed oee oef oeo oep oer oes of- ofa ofd ofe off ofo ofp ofr ofs oo- ooa ood oof ooo oop oor oos op- opa opd ope opf opo opp opr ops or- ora ord ore orf oro orp orr ors os- osa osd ose osf oso osp osr oss p-p paa pad pae paf pao pap par pas pda pdd pde pdf pdo pdp pdr pds pea ped pee pef peo pep per pes pfa pfd pfe pff pfo pfp pfr pfs poa pod poe pof poo pop por pos ppa ppd ppe ppf ppo ppp ppr pps pra prd pre prf pro prp prr prs ps- psa psd pse psf pso psp psr pss ra- raa rad rae raf rao rap rar ras rda rdd rde rdf rdo rdp rdr rds re- rea red ree ref reo rep rer res rfa rfd rfe rff rfo rfp rfr rfs roa rod roe rof roo rop ror ros rpa rpd rpe rpf rpo rpp rpr rps rra rrd rrf rrp rrr rrs rsa rsd rse rsf rso rsp rsr rss saa sad sae saf sao sap sar sas sda sdd sde sdf sdo sdp sdr sds se- sea sed see sef seo sep ser ses sfa sfd sfe sff sfo sfp sfr sfs soa sod soe sof soo sop sor sos spa spd spe spf spo spp spr sps sr- sra srd sre srf sro srp srr srs ss- ssa ssd sse ssf sso ssp ssr sss