-er a-a a-c a-q a-t aaa aac aae aao aaq aar aat aau ac- aca acc ace aco acq acr act acu aea aec aee aeo aeq aer aet aeu aoa aoc aoe aoo aor aot aou aqa aqc aqo aqr aqt ar- ara arc are aro arq arr art aru at- ata atc ate ato atr att atu au- aua auc aue auo aur aut c-- caa cac cae cao caq car cat cau cca ccc cce cco ccr cct ccu ce- cea cec cee ceo ceq cer cet ceu co- coa coc coe coo coq cor cot cou cqa cqc cqo cqt cra crc cre cro crq crr crt cru cta ctc cte cto ctq ctr ctt ctu cua cuc cue cuo cuq cur cut cuu eaa eac eae eao ear eat eau ec- eca ecc ece eco ecq ecr ect ecu eea eec eee eeo eer eet eo- eoa eoc eoe eoo eoq eor eot eou eqa eqe eqq eqt equ era erc ere ero erq err ert eru eta etc ete eto etr ett etu eu- eua euc eue eur eut oaa oac oae oao oaq oar oat oau oc- oca occ oco ocr oct ocu oea oec oee oeo oer oet oo- ooa ooc ooo oor oot oqo or- ora orc ore oro orr ort oru ot- ota otc ote oto otr ott otu ou- oua ouc oue ouo our out qaa qac qar qat qau qca qcc qco qct qec qee qeo qet qoo qor qqq qqu qra qrc qre qrt qru qta qtc qto qtq qtr qu- qua que quo qur qut ra- raa rac rae rao raq rar rat rau rca rcc rce rco rcr rct rcu re- rea rec ree reo req rer ret reu roa roc roe roo ror rot rou rqc rra rrc rrq rrr rrt rru rta rtc rte rto rtq rtr rtt rtu rua ruc rue ruo rur rut ruu taa tac tae tao taq tar tat tau tca tcc tce tco tcr tct tcu te- tea tec tee teo teq ter tet teu to- toa toc toe too toq tor tot tou tqo tra trc tre tro trq trr trt tru tta ttc tte tto ttr ttt ttu tua tuc tue tuo tur tut tuu ua- uaa uac uae uao uaq uar uat uau uca ucc uce uco ucr uct ucu uea uec uee uer uet uoa uoc uoe uoo uor uot ur- ura urc ure uro urr urt uru uta utc ute uto utr utt utu uua uuc uue uur uut uuu