a-a a-t aaa aad aae aap aas aat ad- ada add ade adp ads adt aea aed aee aep aes aet ap- apa apd ape app aps apt as- asa asd ase asp ass ast at- ata atd ate atp ats att daa dad dae dap das dat dda ddd dde ddp dds ddt de- dea ded dee dep des det dpa dpd dpe dpp dps dpt dsa dsd dse dsp dss dst dta dtd dte dtp dts dtt eaa ead eae eap eas eat ed- eda edd ede edp eds edt eea eed eee eep ees eet ep- epa epd epe epp eps ept es- esa esd ese esp ess est eta etd ete etp ets ett p-p paa pad pae pap pas pat pda pdd pde pdp pds pdt pea ped pee pep pes pet ppa ppd ppe ppp pps ppt ps- psa psd pse psp pss pst pt- pta ptd pte ptp pts ptt saa sad sae sap sas sat sda sdd sde sdp sds sdt se- sea sed see sep ses set spa spd spe spp sps spt ss- ssa ssd sse ssp sss sst sta std ste stp sts stt taa tad tae tap tas tat tda tdd tde tdp tds tdt te- tea ted tee tep tes tet tpa tpd tpe tpp tps tpt tsa tsd tse tsp tss tst tta ttd tte ttp tts ttt