-er a-a a-c a-q a-t aaa aac aae aaq aar aas aat aau ac- aca acc ace acq acr acs act acu aea aec aee aeq aer aes aet aeu aqa aqc aqr aqs aqt ar- ara arc are arq arr ars art aru as- asa asc ase asq asr ass ast asu at- ata atc ate atr ats att atu au- aua auc aue aur aus aut c-- caa cac cae caq car cas cat cau cca ccc cce ccr ccs cct ccu ce- cea cec cee ceq cer ces cet ceu cqa cqc cqs cqt cra crc cre crq crr crs crt cru csa csc cse csq csr css cst csu cta ctc cte ctq ctr cts ctt ctu cua cuc cue cuq cur cus cut cuu eaa eac eae ear eas eat eau ec- eca ecc ece ecq ecr ecs ect ecu eea eec eee eer ees eet eqa eqe eqq eqs eqt equ era erc ere erq err ers ert eru es- esa esc ese esq esr ess est esu eta etc ete etr ets ett etu eu- eua euc eue eur eus eut qaa qac qar qas qat qau qca qcc qcs qct qec qee qet qqq qqu qra qrc qre qrs qrt qru qsa qsc qsr qst qta qtc qtq qtr qts qu- qua que qur qus qut ra- raa rac rae raq rar ras rat rau rca rcc rce rcr rcs rct rcu re- rea rec ree req rer res ret reu rqc rqs rra rrc rrq rrr rrs rrt rru rsa rsc rse rsq rsr rss rst rsu rta rtc rte rtq rtr rts rtt rtu rua ruc rue rur rus rut ruu saa sac sae saq sar sas sat sau sca scc sce scr scs sct scu se- sea sec see seq ser ses set seu sqa sqq sqr sqs sr- sra src sre srq srr srs srt ss- ssa ssc sse ssq ssr sss sst ssu sta stc ste stq str sts stt stu sua suc sue suq sur sus sut suu taa tac tae taq tar tas tat tau tca tcc tce tcr tcs tct tcu te- tea tec tee teq ter tes tet teu tra trc tre trq trr trs trt tru tsa tsc tse tsq tsr tss tst tsu tta ttc tte ttr tts ttt ttu tua tuc tue tur tus tut tuu ua- uaa uac uae uaq uar uas uat uau uca ucc uce ucr ucs uct ucu uea uec uee uer ues uet ur- ura urc ure urr urs urt uru usa usc use usr uss ust usu uta utc ute utr uts utt utu uua uuc uue uur uus uut uuu