-er a-a a-c a-q aaa aac aad aae aan aaq aar aau ac- aca acc acd ace acn acq acr acu ad- ada adc add ade adn adq adr adu aea aec aed aee aen aeq aer aeu an- ana anc and ane ann anq anr anu aqa aqc aqn aqr ar- ara arc ard are arn arq arr aru au- aua auc aud aue aun aur c-- caa cac cad cae can caq car cau cca ccc ccd cce ccn ccr ccu cda cdc cdd cde cdn cdq cdr cdu ce- cea cec ced cee cen ceq cer ceu cn- cna cnc cnd cne cnn cnr cnu cqa cqc cqd cra crc crd cre crn crq crr cru cua cuc cud cue cun cuq cur cuu daa dac dad dae dan daq dar dau dca dcc dcd dce dcn dcr dcu dda ddc ddd dde ddn ddq ddr ddu de- dea dec ded dee den deq der deu dna dnc dnd dne dnn dnq dnr dqa dqe dqn dra drc drd dre drn drq drr dru dua duc dud due dun dur eaa eac ead eae ean ear eau ec- eca ecc ecd ece ecn ecq ecr ecu ed- eda edc edd ede edn edr edu eea eec eed eee een eer en- ena enc end ene enn enr enu eqa eqe eqn eqq equ era erc erd ere ern erq err eru eu- eua euc eud eue eun eur naa nac nad nae nan nar nau nca ncc ncd nce ncn ncr ncu nda ndc ndd nde ndn ndr ndu ne- nea nec ned nee nen ner neu nna nnc nne nnn nnu nqc nra nrc nrd nre nrn nrr nru nua nuc nud nue nun nuq nur nuu qaa qac qad qan qar qau qca qcc qcd qda qdr qec qed qee qen qnd qne qqq qqu qra qrc qre qru qu- qua qud que qur ra- raa rac rad rae ran raq rar rau rca rcc rcd rce rcn rcr rcu rda rdc rdd rde rdn rdr rdu re- rea rec red ree ren req rer reu rna rnc rnd rnn rnr rnu rqc rqn rra rrc rrd rrn rrq rrr rru rua ruc rud rue run rur ruu ua- uaa uac uad uae uan uaq uar uau uca ucc ucd uce ucn ucr ucu uda udc udd ude udn udr udu uea uec ued uee uen uer un- una unc und une unn unq unr unu ur- ura urc urd ure urn urr uru uua uuc uue uun uur uuu