a-a a-c a-q a-t aaa aac aaq aar aas aat ac- aca acc acq acr acs act aqa aqc aqr aqs aqt ar- ara arc arq arr ars art as- asa asc asq asr ass ast at- ata atc atr ats att c-- caa cac caq car cas cat cca ccc ccr ccs cct cqa cqc cqs cqt cra crc crq crr crs crt csa csc csq csr css cst cta ctc ctq ctr cts ctt qaa qac qar qas qat qca qcc qcs qct qqq qra qrc qrs qrt qsa qsc qsr qst qta qtc qtq qtr qts ra- raa rac raq rar ras rat rca rcc rcr rcs rct rqc rqs rra rrc rrq rrr rrs rrt rsa rsc rsq rsr rss rst rta rtc rtq rtr rts rtt saa sac saq sar sas sat sca scc scr scs sct sqa sqq sqr sqs sr- sra src srq srr srs srt ss- ssa ssc ssq ssr sss sst sta stc stq str sts stt taa tac taq tar tas tat tca tcc tcr tcs tct tra trc trq trr trs trt tsa tsc tsq tsr tss tst tta ttc ttr tts ttt