-th a-a a-c a-t aaa aac aad aaf aah aar aas aat ac- aca acc acd acf ach acr acs act ad- ada adc add adf adh adr ads adt af- afa afc afd aff afh afr afs aft aha ahc ahd ahf ahh ahr ahs aht ar- ara arc ard arf arh arr ars art as- asa asc asd asf ash asr ass ast at- ata atc atd atf ath atr ats att c-- caa cac cad caf cah car cas cat cca ccc ccd ccf cch ccr ccs cct cda cdc cdd cdf cdh cdr cds cdt cfa cfc cfd cff cfh cfr cfs cft ch- cha chc chd chf chh chr chs cht cra crc crd crf crh crr crs crt csa csc csd csf csh csr css cst cta ctc ctd ctf cth ctr cts ctt daa dac dad daf dah dar das dat dca dcc dcd dcf dcr dcs dct dda ddc ddd ddf ddh ddr dds ddt dfa dfc dfd dff dfh dfr dfs dft dh- dha dhc dhd dhf dhh dhr dhs dht dra drc drd drr drs drt dsa dsc dsd dsf dsh dsr dss dst dta dtc dtd dtf dth dtr dts dtt faa fac fad faf fah far fas fat fca fcc fcd fcf fcr fcs fct fda fdc fdd fdf fdh fdr fds fdt ffa ffc ffd fff ffh ffr ffs fft fha fhc fhf fhh fhr fhs fra frc frd frf frh frr frs frt fsa fsc fsd fsf fsh fsr fss fst fta ftc ftd ftf fth ftr fts ftt haa hac had haf hah har has hat hca hcc hcd hcf hch hcr hcs hct hda hdc hdd hdf hdh hdr hds hdt hfa hfc hfd hff hfh hfr hfs hft hha hhc hhd hhf hhh hhr hhs hht hr- hra hrc hrd hrf hrh hrr hrs hrt hsa hsc hsd hsf hsh hsr hss hst hta htc htd htf hth htr hts htt ra- raa rac rad raf rah rar ras rat rca rcc rcd rcf rch rcr rcs rct rda rdc rdd rdf rdh rdr rds rdt rfa rfc rfd rff rfh rfr rfs rft rh- rha rhc rhd rhf rhh rhr rhs rht rra rrc rrd rrf rrh rrr rrs rrt rsa rsc rsd rsf rsh rsr rss rst rta rtc rtd rtf rtr rts rtt saa sac sad saf sah sar sas sat sca scc scd scf sch scr scs sct sda sdc sdd sdf sdh sdr sds sdt sfa sfc sfd sff sfh sfr sfs sft sh- sha shc shd shf shh shr shs sht sr- sra src srd srf srh srr srs srt ss- ssa ssc ssd ssf ssh ssr sss sst sta stc std stf sth str sts stt taa tac tad taf tah tar tas tat tca tcc tcd tcf tch tcr tcs tct tda tdc tdd tdf tdh tdr tds tdt tfa tfc tfd tff tfh tfr tfs tft th- tha thc thd thf thh thr ths tht tra trc trd trf trh trr trs trt tsa tsc tsd tsf tsh tsr tss tst tta ttc ttd ttf tth ttr tts ttt