a-a a-t aaa aad aaf aan aar aas aat ad- ada add adf adn adr ads adt af- afa afd aff afn afr afs aft an- ana and anf ann anr ans ant ar- ara ard arf arn arr ars art as- asa asd asf asn asr ass ast at- ata atd atf atn atr ats att daa dad daf dan dar das dat dda ddd ddf ddn ddr dds ddt dfa dfd dff dfn dfr dfs dft dna dnd dnf dnn dnr dns dnt dra drd drn drr drs drt dsa dsd dsf dsn dsr dss dst dta dtd dtf dtn dtr dts dtt faa fad faf fan far fas fat fda fdd fdf fdn fdr fds fdt ffa ffd fff ffn ffr ffs fft fna fnd fnf fnn fnr fns fnt fra frd frf frn frr frs frt fsa fsd fsf fsn fsr fss fst fta ftd ftf ftn ftr fts ftt naa nad naf nan nar nas nat nda ndd ndf ndn ndr nds ndt nfa nfd nff nfn nfr nfs nft nna nnf nnn nns nnt nra nrd nrf nrn nrr nrs nrt nsa nsd nsf nsn nsr nss nst nta ntd ntf ntn ntr nts ntt ra- raa rad raf ran rar ras rat rda rdd rdf rdn rdr rds rdt rfa rfd rff rfn rfr rfs rft rna rnd rnn rnr rns rnt rra rrd rrf rrn rrr rrs rrt rsa rsd rsf rsn rsr rss rst rta rtd rtf rtn rtr rts rtt saa sad saf san sar sas sat sda sdd sdf sdn sdr sds sdt sfa sfd sff sfn sfr sfs sft sna snd snf snn snr sns snt sr- sra srd srf srn srr srs srt ss- ssa ssd ssf ssn ssr sss sst sta std stf stn str sts stt taa tad taf tan tar tas tat tda tdd tdf tdn tdr tds tdt tfa tfd tff tfn tfr tfs tft tna tnd tnf tnn tnr tns tnt tra trd trf trn trr trs trt tsa tsd tsf tsn tsr tss tst tta ttd ttf ttn ttr tts ttt