a-a a-t aaa aad aae aan aap aas aat ad- ada add ade adn adp ads adt aea aed aee aen aep aes aet an- ana and ane ann anp ans ant ap- apa apd ape apn app aps apt as- asa asd ase asn asp ass ast at- ata atd ate atn atp ats att daa dad dae dan dap das dat dda ddd dde ddn ddp dds ddt de- dea ded dee den dep des det dna dnd dne dnn dnp dns dnt dpa dpd dpe dpn dpp dps dpt dsa dsd dse dsn dsp dss dst dta dtd dte dtn dtp dts dtt eaa ead eae ean eap eas eat ed- eda edd ede edn edp eds edt eea eed eee een eep ees eet en- ena end ene enn enp ens ent ep- epa epd epe epn epp eps ept es- esa esd ese esn esp ess est eta etd ete etn etp ets ett naa nad nae nan nap nas nat nda ndd nde ndn ndp nds ndt ne- nea ned nee nen nep nes net nna nne nnn nnp nns nnt npa npd npe npn npp nps npt nsa nsd nse nsn nsp nss nst nta ntd nte ntn ntp nts ntt p-p paa pad pae pan pap pas pat pda pdd pde pdn pdp pds pdt pea ped pee pen pep pes pet pn- pna pnd pne pnn pnp pns pnt ppa ppd ppe ppn ppp pps ppt ps- psa psd pse psn psp pss pst pt- pta ptd pte ptn ptp pts ptt saa sad sae san sap sas sat sda sdd sde sdn sdp sds sdt se- sea sed see sen sep ses set sna snd sne snn snp sns snt spa spd spe spn spp sps spt ss- ssa ssd sse ssn ssp sss sst sta std ste stn stp sts stt taa tad tae tan tap tas tat tda tdd tde tdn tdp tds tdt te- tea ted tee ten tep tes tet tna tnd tne tnn tnp tns tnt tpa tpd tpe tpn tpp tps tpt tsa tsd tse tsn tsp tss tst tta ttd tte ttn ttp tts ttt