a-a aaa aad aae aaf aao aap aas ad- ada add ade adf ado adp ads aea aed aee aef aeo aep aes af- afa afd afe aff afo afp afs aoa aod aoe aof aoo aop aos ap- apa apd ape apf apo app aps as- asa asd ase asf aso asp ass daa dad dae daf dao dap das dda ddd dde ddf ddo ddp dds de- dea ded dee def deo dep des dfa dfd dfe dff dfo dfp dfs doa dod doe dof doo dop dos dpa dpd dpe dpf dpo dpp dps dsa dsd dse dsf dso dsp dss eaa ead eae eaf eao eap eas ed- eda edd ede edf edo edp eds eea eed eee eef eeo eep ees ef- efa efd efe eff efo efp efs eo- eoa eod eoe eof eoo eop eos ep- epa epd epe epf epo epp eps es- esa esd ese esf eso esp ess faa fad fae faf fao fap fas fda fdd fde fdf fdo fdp fds fea fed fee fef feo fep fes ffa ffd ffe fff ffo ffp ffs foa foe fof foo fop fos fpa fpd fpe fpo fpp fps fsa fsd fse fsf fso fsp fss oaa oad oae oaf oao oap oas oda odd ode odf odo odp ods oea oed oee oef oeo oep oes of- ofa ofd ofe off ofo ofp ofs oo- ooa ood oof ooo oop oos op- opa opd ope opf opo opp ops os- osa osd ose osf oso osp oss p-p paa pad pae paf pao pap pas pda pdd pde pdf pdo pdp pds pea ped pee pef peo pep pes pfa pfd pfe pff pfo pfp pfs poa pod poe pof poo pop pos ppa ppd ppe ppf ppo ppp pps ps- psa psd pse psf pso psp pss saa sad sae saf sao sap sas sda sdd sde sdf sdo sdp sds se- sea sed see sef seo sep ses sfa sfd sfe sff sfo sfp sfs soa sod soe sof soo sop sos spa spd spe spf spo spp sps ss- ssa ssd sse ssf sso ssp sss