-er -ic a-a a-c a-i aaa aac aad aae aaf aai aan aar ac- aca acc acd ace acf aci acn acr ad- ada adc add ade adf adi adn adr aea aec aed aee aef aei aen aer af- afa afc afd afe aff afi afn afr ai- aia aic aid aie aif aii ain air an- ana anc and ane anf ani ann anr ar- ara arc ard are arf ari arn arr c-- caa cac cad cae caf cai can car cca ccc ccd cce ccf cci ccn ccr cda cdc cdd cde cdf cdi cdn cdr ce- cea cec ced cee cef cei cen cer cfa cfc cfd cfe cff cfi cfn cfr ci- cia cic cid cie cif cii cin cir cn- cna cnc cnd cne cnf cni cnn cnr cra crc crd cre crf cri crn crr daa dac dad dae daf dai dan dar dca dcc dcd dce dcf dci dcn dcr dda ddc ddd dde ddf ddi ddn ddr de- dea dec ded dee def dei den der dfa dfc dfd dfe dff dfi dfn dfr di- dia dic did die dif dii din dir dna dnc dnd dne dnf dni dnn dnr dra drc drd dre dri drn drr eaa eac ead eae eaf eai ean ear ec- eca ecc ecd ece ecf eci ecn ecr ed- eda edc edd ede edf edi edn edr eea eec eed eee eef een eer ef- efa efc efd efe eff efi efr eia eic eid eie eif eii ein eir en- ena enc end ene enf eni enn enr era erc erd ere erf eri ern err faa fac fad fae faf fai fan far fca fcc fcd fce fcf fci fcn fcr fda fdc fdd fde fdf fdi fdn fdr fea fec fed fee fef fei fen fer ffa ffc ffd ffe fff ffi ffn ffr fia fic fid fie fif fii fin fir fna fnc fnd fne fnf fni fnn fnr fra frc frd fre frf fri frn frr i-d i-f ia- iaa iac iad iae iaf iai ian iar ica icc icd ice icf ici icn icr ida idc idd ide idf idi idn idr ie- iea iec ied iee ief iei ien ier ifa ifc ifd ife iff ifi ifn ifr iia iic iid iie iif iii iin iir in- ina inc ind ine inf ini inn inr ir- ira irc ird ire irf iri irn irr n-i naa nac nad nae naf nai nan nar nca ncc ncd nce ncf nci ncn ncr nda ndc ndd nde ndf ndi ndn ndr ne- nea nec ned nee nef nei nen ner nfa nfc nfd nfe nff nfi nfn nfr nia nic nid nie nif nii nin nir nna nnc nne nnf nni nnn nra nrc nrd nre nrf nri nrn nrr ra- raa rac rad rae raf rai ran rar rca rcc rcd rce rcf rci rcn rcr rda rdc rdd rde rdf rdi rdn rdr re- rea rec red ree ref rei ren rer rfa rfc rfd rfe rff rfi rfn rfr ria ric rid rie rif rii rin rir rna rnc rnd rni rnn rnr rra rrc rrd rrf rri rrn rrr