-er a-a a-c a-q a-t aaa aac aae aan aao aaq aar aat aau ac- aca acc ace acn aco acq acr act acu aea aec aee aen aeo aeq aer aet aeu an- ana anc ane ann ano anq anr ant anu aoa aoc aoe aon aoo aor aot aou aqa aqc aqn aqo aqr aqt ar- ara arc are arn aro arq arr art aru at- ata atc ate atn ato atr att atu au- aua auc aue aun auo aur aut c-- caa cac cae can cao caq car cat cau cca ccc cce ccn cco ccr cct ccu ce- cea cec cee cen ceo ceq cer cet ceu cn- cna cnc cne cnn cno cnr cnt cnu co- coa coc coe con coo coq cor cot cou cqa cqc cqo cqt cra crc cre crn cro crq crr crt cru cta ctc cte ctn cto ctq ctr ctt ctu cua cuc cue cun cuo cuq cur cut cuu eaa eac eae ean eao ear eat eau ec- eca ecc ece ecn eco ecq ecr ect ecu eea eec eee een eeo eer eet en- ena enc ene enn eno enr ent enu eo- eoa eoc eoe eon eoo eoq eor eot eou eqa eqe eqn eqq eqt equ era erc ere ern ero erq err ert eru eta etc ete etn eto etr ett etu eu- eua euc eue eun eur eut naa nac nae nan nao nar nat nau nca ncc nce ncn nco ncr nct ncu ne- nea nec nee nen neo ner net neu nna nnc nne nnn nno nnt nnu no- noa noc noe non noo nor not nou nqc nqt nra nrc nre nrn nro nrr nrt nru nta ntc nte ntn nto ntq ntr ntt ntu nua nuc nue nun nuo nuq nur nut nuu oaa oac oae oan oao oaq oar oat oau oc- oca occ ocn oco ocr oct ocu oea oec oee oen oeo oer oet on- ona onc one onn ono onr ont onu oo- ooa ooc oon ooo oor oot oqo or- ora orc ore orn oro orr ort oru ot- ota otc ote otn oto otr ott otu ou- oua ouc oue oun ouo our out qaa qac qan qar qat qau qca qcc qco qct qec qee qen qeo qet qne qoo qor qqq qqu qra qrc qre qrt qru qta qtc qto qtq qtr qu- qua que quo qur qut ra- raa rac rae ran rao raq rar rat rau rca rcc rce rcn rco rcr rct rcu re- rea rec ree ren reo req rer ret reu rna rnc rnn rno rnr rnt rnu roa roc roe ron roo ror rot rou rqc rqn rra rrc rrn rrq rrr rrt rru rta rtc rte rtn rto rtq rtr rtt rtu rua ruc rue run ruo rur rut ruu taa tac tae tan tao taq tar tat tau tca tcc tce tcn tco tcr tct tcu te- tea tec tee ten teo teq ter tet teu tna tnc tne tnn tno tnq tnr tnt to- toa toc toe ton too toq tor tot tou tqo tra trc tre trn tro trq trr trt tru tta ttc tte ttn tto ttr ttt ttu tua tuc tue tun tuo tur tut tuu ua- uaa uac uae uan uao uaq uar uat uau uca ucc uce ucn uco ucr uct ucu uea uec uee uen uer uet un- una unc une unn uno unq unr unt unu uoa uoc uoe uon uoo uor uot ur- ura urc ure urn uro urr urt uru uta utc ute utn uto utr utt utu uua uuc uue uun uur uut uuu