-th a-a a-c a-t aaa aac aad aah aak aar aas aat ac- aca acc acd ach ack acr acs act ad- ada adc add adh adk adr ads adt aha ahc ahd ahh ahk ahr ahs aht aka akc akd akh akk akr aks ar- ara arc ard arh ark arr ars art as- asa asc asd ash ask asr ass ast at- ata atc atd ath atr ats att c-- caa cac cad cah cak car cas cat cca ccc ccd cch cck ccr ccs cct cda cdc cdd cdh cdk cdr cds cdt ch- cha chc chd chh chk chr chs cht cka ckc ckd ckh cks ckt cra crc crd crh crk crr crs crt csa csc csd csh csk csr css cst cta ctc ctd cth ctk ctr cts ctt daa dac dad dah dak dar das dat dca dcc dcd dck dcr dcs dct dda ddc ddd ddh ddk ddr dds ddt dh- dha dhc dhd dhh dhk dhr dhs dht dka dkc dkk dkr dks dkt dra drc drd drk drr drs drt dsa dsc dsd dsh dsk dsr dss dst dta dtc dtd dth dtk dtr dts dtt haa hac had hah hak har has hat hca hcc hcd hch hck hcr hcs hct hda hdc hdd hdh hdk hdr hds hdt hha hhc hhd hhh hhk hhr hhs hht hka hkd hkh hkk hkr hks hkt hr- hra hrc hrd hrh hrk hrr hrs hrt hsa hsc hsd hsh hsk hsr hss hst hta htc htd hth htk htr hts htt k-t ka- kaa kac kad kah kak kar kas kat kca kcc kcd kch kck kcr kcs kct kda kdc kdh kdk kdr kds kdt kha khh khk khr khs kkc kkh kkk kkr kks kkt kra krc krd krk krr krs krt ksa ksc ksd ksh ksk ksr kss kst kta ktc kth ktk ktr kts ktt ra- raa rac rad rah rak rar ras rat rca rcc rcd rch rcr rcs rct rda rdc rdd rdh rdr rds rdt rh- rha rhc rhd rhh rhr rhs rht rkc rkk rks rkt rra rrc rrd rrh rrk rrr rrs rrt rsa rsc rsd rsh rsk rsr rss rst rta rtc rtd rtk rtr rts rtt saa sac sad sah sak sar sas sat sca scc scd sch sck scr scs sct sda sdc sdd sdh sdk sdr sds sdt sh- sha shc shd shh shk shr shs sht sk- ska skc skd skh skk skr sks skt sr- sra src srd srh srk srr srs srt ss- ssa ssc ssd ssh ssk ssr sss sst sta stc std sth stk str sts stt taa tac tad tah tak tar tas tat tca tcc tcd tch tck tcr tcs tct tda tdc tdd tdh tdk tdr tds tdt th- tha thc thd thh thk thr ths tht tka tkc tkk tkr tks tkt tra trc trd trh trk trr trs trt tsa tsc tsd tsh tsk tsr tss tst tta ttc ttd tth ttk ttr tts ttt