a-a a-t aaa aad aan aap aar aas aat ad- ada add adn adp adr ads adt an- ana and ann anp anr ans ant ap- apa apd apn app apr aps apt ar- ara ard arn arp arr ars art as- asa asd asn asp asr ass ast at- ata atd atn atp atr ats att daa dad dan dap dar das dat dda ddd ddn ddp ddr dds ddt dna dnd dnn dnp dnr dns dnt dpa dpd dpn dpp dpr dps dpt dra drd drn drp drr drs drt dsa dsd dsn dsp dsr dss dst dta dtd dtn dtp dtr dts dtt naa nad nan nap nar nas nat nda ndd ndn ndp ndr nds ndt nna nnn nnp nns nnt npa npd npn npp npr nps npt nra nrd nrn nrp nrr nrs nrt nsa nsd nsn nsp nsr nss nst nta ntd ntn ntp ntr nts ntt p-p paa pad pan pap par pas pat pda pdd pdn pdp pdr pds pdt pn- pna pnd pnn pnp pnr pns pnt ppa ppd ppn ppp ppr pps ppt pra prd prn prp prr prs prt ps- psa psd psn psp psr pss pst pt- pta ptd ptn ptp ptr pts ptt ra- raa rad ran rap rar ras rat rda rdd rdn rdp rdr rds rdt rna rnd rnn rnp rnr rns rnt rpa rpd rpn rpp rpr rps rpt rra rrd rrn rrp rrr rrs rrt rsa rsd rsn rsp rsr rss rst rta rtd rtn rtp rtr rts rtt saa sad san sap sar sas sat sda sdd sdn sdp sdr sds sdt sna snd snn snp snr sns snt spa spd spn spp spr sps spt sr- sra srd srn srp srr srs srt ss- ssa ssd ssn ssp ssr sss sst sta std stn stp str sts stt taa tad tan tap tar tas tat tda tdd tdn tdp tdr tds tdt tna tnd tnn tnp tnr tns tnt tpa tpd tpn tpp tpr tps tpt tra trd trn trp trr trs trt tsa tsd tsn tsp tsr tss tst tta ttd ttn ttp ttr tts ttt