-er a-a aaa aad aae aao aap aar aas ad- ada add ade ado adp adr ads aea aed aee aeo aep aer aes aoa aod aoe aoo aop aor aos ap- apa apd ape apo app apr aps ar- ara ard are aro arp arr ars as- asa asd ase aso asp asr ass daa dad dae dao dap dar das dda ddd dde ddo ddp ddr dds de- dea ded dee deo dep der des doa dod doe doo dop dor dos dpa dpd dpe dpo dpp dpr dps dra drd dre dro drp drr drs dsa dsd dse dso dsp dsr dss eaa ead eae eao eap ear eas ed- eda edd ede edo edp edr eds eea eed eee eeo eep eer ees eo- eoa eod eoe eoo eop eor eos ep- epa epd epe epo epp epr eps era erd ere ero erp err ers es- esa esd ese eso esp esr ess oaa oad oae oao oap oar oas oda odd ode odo odp odr ods oea oed oee oeo oep oer oes oo- ooa ood ooo oop oor oos op- opa opd ope opo opp opr ops or- ora ord ore oro orp orr ors os- osa osd ose oso osp osr oss p-p paa pad pae pao pap par pas pda pdd pde pdo pdp pdr pds pea ped pee peo pep per pes poa pod poe poo pop por pos ppa ppd ppe ppo ppp ppr pps pra prd pre pro prp prr prs ps- psa psd pse pso psp psr pss ra- raa rad rae rao rap rar ras rda rdd rde rdo rdp rdr rds re- rea red ree reo rep rer res roa rod roe roo rop ror ros rpa rpd rpe rpo rpp rpr rps rra rrd rrp rrr rrs rsa rsd rse rso rsp rsr rss saa sad sae sao sap sar sas sda sdd sde sdo sdp sdr sds se- sea sed see seo sep ser ses soa sod soe soo sop sor sos spa spd spe spo spp spr sps sr- sra srd sre sro srp srr srs ss- ssa ssd sse sso ssp ssr sss