-er -ic a-a a-c a-i a-q aaa aac aae aag aai aan aaq aar aau ac- aca acc ace acg aci acn acq acr acu aea aec aee aeg aei aen aeq aer aeu ag- aga agc age agg agi agn agq agr agu ai- aia aic aie aig aii ain aiq air aiu an- ana anc ane ang ani ann anq anr anu aqa aqc aqi aqn aqr ar- ara arc are arg ari arn arq arr aru au- aua auc aue aug aui aun aur c-- caa cac cae cag cai can caq car cau cca ccc cce ccg cci ccn ccr ccu ce- cea cec cee ceg cei cen ceq cer ceu cga cgc cge cgg cgi cgn cgr cgu ci- cia cic cie cig cii cin ciq cir ciu cn- cna cnc cne cng cni cnn cnr cnu cqa cqc cqg cqi cra crc cre crg cri crn crq crr cru cua cuc cue cug cui cun cuq cur cuu eaa eac eae eag eai ean ear eau ec- eca ecc ece ecg eci ecn ecq ecr ecu eea eec eee eeg een eer ega egc ege egg egi egn egr egu eia eic eie eig eii ein eir eiu en- ena enc ene eng eni enn enr enu eqa eqe eqn eqq equ era erc ere erg eri ern erq err eru eu- eua euc eue eug eui eun eur gaa gac gae gag gai gan gar gau gca gcc gce gcg gci gcn gcr gcu ge- gea gec gee geg gei gen ger geu gga ggc ggg ggi ggn ggr ggu gia gic gie gig gii gin gir giu gna gnc gne gni gnn gnr gnu gra grc gre grg gri grn grq grr gru gu- gua guc gue gug gui gun gur guu ia- iaa iac iae iag iai ian iaq iar iau ica icc ice icg ici icn icq icr icu ie- iea iec iee ieg iei ien ier iga igc ige igg igi ign igr igu iia iic iie iii iin iir iiu in- ina inc ine ing ini inn inq inr inu iqa iqc iqe iqu ir- ira irc ire irg iri irn irq irr iru iu- iua iuc iue iug iui iur n-i naa nac nae nag nai nan nar nau nca ncc nce ncg nci ncn ncr ncu ne- nea nec nee neg nei nen ner neu nga ngc nge ngg ngi ngn ngu nia nic nie nig nii nin niq nir niu nna nnc nne nng nni nnn nnu nqc nra nrc nre nrg nri nrn nrr nru nua nuc nue nug nui nun nuq nur nuu qaa qac qag qan qar qau qca qcc qci qec qee qen qga qgc qgn qic qie qin qir qiu qne qni qqq qqu qra qrc qre qrg qri qru qu- qua que qui qur ra- raa rac rae rag rai ran raq rar rau rca rcc rce rcg rci rcn rcr rcu re- rea rec ree reg rei ren req rer reu rga rgc rge rgg rgi rgn rgr ria ric rie rig rii rin riq rir rna rnc rng rni rnn rnr rnu rqc rqn rra rrc rrg rri rrn rrq rrr rru rua ruc rue rug rui run rur ruu ua- uaa uac uae uag uai uan uaq uar uau uca ucc uce ucg uci ucn ucr ucu uea uec uee ueg uei uen uer uga ugc uge ugg ugi ugn ugr ugu uia uic uie uig uii uin uiq uir uiu un- una unc une ung uni unn unq unr unu ur- ura urc ure urg uri urn urr uru uua uuc uue uug uun uur uuu