-er -ic a-a a-c a-i aaa aac aad aae aai aar aau ac- aca acc acd ace aci acr acu ad- ada adc add ade adi adr adu aea aec aed aee aei aer aeu ai- aia aic aid aie aii air aiu ar- ara arc ard are ari arr aru au- aua auc aud aue aui aur c-- caa cac cad cae cai car cau cca ccc ccd cce cci ccr ccu cda cdc cdd cde cdi cdr cdu ce- cea cec ced cee cei cer ceu ci- cia cic cid cie cii cir ciu cra crc crd cre cri crr cru cua cuc cud cue cui cur cuu daa dac dad dae dai dar dau dca dcc dcd dce dci dcr dcu dda ddc ddd dde ddi ddr ddu de- dea dec ded dee dei der deu di- dia dic did die dii dir diu dra drc drd dre dri drr dru dua duc dud due dui dur eaa eac ead eae eai ear eau ec- eca ecc ecd ece eci ecr ecu ed- eda edc edd ede edi edr edu eea eec eed eee eer eia eic eid eie eii eir eiu era erc erd ere eri err eru eu- eua euc eud eue eui eur i-d ia- iaa iac iad iae iai iar iau ica icc icd ice ici icr icu ida idc idd ide idi idr idu ie- iea iec ied iee iei ier iia iic iid iie iii iir iiu ir- ira irc ird ire iri irr iru iu- iua iuc iud iue iui iur ra- raa rac rad rae rai rar rau rca rcc rcd rce rci rcr rcu rda rdc rdd rde rdi rdr rdu re- rea rec red ree rei rer reu ria ric rid rie rii rir rra rrc rrd rri rrr rru rua ruc rud rue rui rur ruu ua- uaa uac uad uae uai uar uau uca ucc ucd uce uci ucr ucu uda udc udd ude udi udr udu uea uec ued uee uei uer uia uic uid uie uii uir uiu ur- ura urc urd ure uri urr uru uua uuc uue uur uuu