-er a-a a-c a-t aaa aac aae aan aar aat aau ac- aca acc ace acn acr act acu aea aec aee aen aer aet aeu an- ana anc ane ann anr ant anu ar- ara arc are arn arr art aru at- ata atc ate atn atr att atu au- aua auc aue aun aur aut c-- caa cac cae can car cat cau cca ccc cce ccn ccr cct ccu ce- cea cec cee cen cer cet ceu cn- cna cnc cne cnn cnr cnt cnu cra crc cre crn crr crt cru cta ctc cte ctn ctr ctt ctu cua cuc cue cun cur cut cuu eaa eac eae ean ear eat eau ec- eca ecc ece ecn ecr ect ecu eea eec eee een eer eet en- ena enc ene enn enr ent enu era erc ere ern err ert eru eta etc ete etn etr ett etu eu- eua euc eue eun eur eut naa nac nae nan nar nat nau nca ncc nce ncn ncr nct ncu ne- nea nec nee nen ner net neu nna nnc nne nnn nnt nnu nra nrc nre nrn nrr nrt nru nta ntc nte ntn ntr ntt ntu nua nuc nue nun nur nut nuu ra- raa rac rae ran rar rat rau rca rcc rce rcn rcr rct rcu re- rea rec ree ren rer ret reu rna rnc rnn rnr rnt rnu rra rrc rrn rrr rrt rru rta rtc rte rtn rtr rtt rtu rua ruc rue run rur rut ruu taa tac tae tan tar tat tau tca tcc tce tcn tcr tct tcu te- tea tec tee ten ter tet teu tna tnc tne tnn tnr tnt tra trc tre trn trr trt tru tta ttc tte ttn ttr ttt ttu tua tuc tue tun tur tut tuu ua- uaa uac uae uan uar uat uau uca ucc uce ucn ucr uct ucu uea uec uee uen uer uet un- una unc une unn unr unt unu ur- ura urc ure urn urr urt uru uta utc ute utn utr utt utu uua uuc uue uun uur uut uuu