a-a a-t aaa aad aae aaf aao aap aas aat ad- ada add ade adf ado adp ads adt aea aed aee aef aeo aep aes aet af- afa afd afe aff afo afp afs aft aoa aod aoe aof aoo aop aos aot ap- apa apd ape apf apo app aps apt as- asa asd ase asf aso asp ass ast at- ata atd ate atf ato atp ats att daa dad dae daf dao dap das dat dda ddd dde ddf ddo ddp dds ddt de- dea ded dee def deo dep des det dfa dfd dfe dff dfo dfp dfs dft doa dod doe dof doo dop dos dot dpa dpd dpe dpf dpo dpp dps dpt dsa dsd dse dsf dso dsp dss dst dta dtd dte dtf dto dtp dts dtt eaa ead eae eaf eao eap eas eat ed- eda edd ede edf edo edp eds edt eea eed eee eef eeo eep ees eet ef- efa efd efe eff efo efp efs eft eo- eoa eod eoe eof eoo eop eos eot ep- epa epd epe epf epo epp eps ept es- esa esd ese esf eso esp ess est eta etd ete etf eto etp ets ett faa fad fae faf fao fap fas fat fda fdd fde fdf fdo fdp fds fdt fea fed fee fef feo fep fes fet ffa ffd ffe fff ffo ffp ffs fft foa foe fof foo fop fos fot fpa fpd fpe fpo fpp fps fpt fsa fsd fse fsf fso fsp fss fst fta ftd fte ftf fto ftp fts ftt oaa oad oae oaf oao oap oas oat oda odd ode odf odo odp ods odt oea oed oee oef oeo oep oes oet of- ofa ofd ofe off ofo ofp ofs oft oo- ooa ood oof ooo oop oos oot op- opa opd ope opf opo opp ops opt os- osa osd ose osf oso osp oss ost ot- ota otd ote otf oto otp ots ott p-p paa pad pae paf pao pap pas pat pda pdd pde pdf pdo pdp pds pdt pea ped pee pef peo pep pes pet pfa pfd pfe pff pfo pfp pfs pft poa pod poe pof poo pop pos pot ppa ppd ppe ppf ppo ppp pps ppt ps- psa psd pse psf pso psp pss pst pt- pta ptd pte ptf pto ptp pts ptt saa sad sae saf sao sap sas sat sda sdd sde sdf sdo sdp sds sdt se- sea sed see sef seo sep ses set sfa sfd sfe sff sfo sfp sfs sft soa sod soe sof soo sop sos sot spa spd spe spf spo spp sps spt ss- ssa ssd sse ssf sso ssp sss sst sta std ste stf sto stp sts stt taa tad tae taf tao tap tas tat tda tdd tde tdf tdo tdp tds tdt te- tea ted tee tef teo tep tes tet tfa tfd tfe tff tfo tfp tfs tft to- toa tod toe tof too top tos tot tpa tpd tpe tpf tpo tpp tps tpt tsa tsd tse tsf tso tsp tss tst tta ttd tte ttf tto ttp tts ttt