-er -ic a-a a-c a-i aaa aac aad aae aaf aai aar aau ac- aca acc acd ace acf aci acr acu ad- ada adc add ade adf adi adr adu aea aec aed aee aef aei aer aeu af- afa afc afd afe aff afi afr afu ai- aia aic aid aie aif aii air aiu ar- ara arc ard are arf ari arr aru au- aua auc aud aue auf aui aur c-- caa cac cad cae caf cai car cau cca ccc ccd cce ccf cci ccr ccu cda cdc cdd cde cdf cdi cdr cdu ce- cea cec ced cee cef cei cer ceu cfa cfc cfd cfe cff cfi cfr cfu ci- cia cic cid cie cif cii cir ciu cra crc crd cre crf cri crr cru cua cuc cud cue cuf cui cur cuu daa dac dad dae daf dai dar dau dca dcc dcd dce dcf dci dcr dcu dda ddc ddd dde ddf ddi ddr ddu de- dea dec ded dee def dei der deu dfa dfc dfd dfe dff dfi dfr dfu di- dia dic did die dif dii dir diu dra drc drd dre dri drr dru dua duc dud due duf dui dur eaa eac ead eae eaf eai ear eau ec- eca ecc ecd ece ecf eci ecr ecu ed- eda edc edd ede edf edi edr edu eea eec eed eee eef eer ef- efa efc efd efe eff efi efr eia eic eid eie eif eii eir eiu era erc erd ere erf eri err eru eu- eua euc eud eue euf eui eur faa fac fad fae faf fai far fau fca fcc fcd fce fcf fci fcr fcu fda fdc fdd fde fdf fdi fdr fdu fea fec fed fee fef fei fer feu ffa ffc ffd ffe fff ffi ffr ffu fia fic fid fie fif fii fir fiu fra frc frd fre frf fri frr fru fua fud fue fuf fui fur fuu i-d i-f ia- iaa iac iad iae iaf iai iar iau ica icc icd ice icf ici icr icu ida idc idd ide idf idi idr idu ie- iea iec ied iee ief iei ier ifa ifc ifd ife iff ifi ifr ifu iia iic iid iie iif iii iir iiu ir- ira irc ird ire irf iri irr iru iu- iua iuc iud iue iui iur ra- raa rac rad rae raf rai rar rau rca rcc rcd rce rcf rci rcr rcu rda rdc rdd rde rdf rdi rdr rdu re- rea rec red ree ref rei rer reu rfa rfc rfd rfe rff rfi rfr rfu ria ric rid rie rif rii rir rra rrc rrd rrf rri rrr rru rua ruc rud rue ruf rui rur ruu ua- uaa uac uad uae uaf uai uar uau uca ucc ucd uce ucf uci ucr ucu uda udc udd ude udf udi udr udu uea uec ued uee uef uei uer ufa ufc ufd ufe uff ufi ufr ufu uia uic uid uie uif uii uir uiu ur- ura urc urd ure urf uri urr uru uua uuc uue uur uuu