-er -ic a-a a-c a-i aaa aac aad aae aai aak aan aar ac- aca acc acd ace aci ack acn acr ad- ada adc add ade adi adk adn adr aea aec aed aee aei aek aen aer ai- aia aic aid aie aii aik ain air aka akc akd ake aki akk akn akr an- ana anc and ane ani ank ann anr ar- ara arc ard are ari ark arn arr c-- caa cac cad cae cai cak can car cca ccc ccd cce cci cck ccn ccr cda cdc cdd cde cdi cdk cdn cdr ce- cea cec ced cee cei cek cen cer ci- cia cic cid cie cii cik cin cir cka ckc ckd cki cn- cna cnc cnd cne cni cnn cnr cra crc crd cre cri crk crn crr daa dac dad dae dai dak dan dar dca dcc dcd dce dci dck dcn dcr dda ddc ddd dde ddi ddk ddn ddr de- dea dec ded dee dei dek den der di- dia dic did die dii dik din dir dka dkc dke dki dkk dkr dna dnc dnd dne dni dnk dnn dnr dra drc drd dre dri drk drn drr eaa eac ead eae eai eak ean ear ec- eca ecc ecd ece eci eck ecn ecr ed- eda edc edd ede edi edk edn edr eea eec eed eee eek een eer eia eic eid eie eii eik ein eir eka ekc ekd eke eki ekr en- ena enc end ene eni enk enn enr era erc erd ere eri erk ern err i-d ia- iaa iac iad iae iai ian iar ica icc icd ice ici ick icn icr ida idc idd ide idi idk idn idr ie- iea iec ied iee iei iek ien ier iia iic iid iie iii iin iir ika ikc ike iki ikk ikr in- ina inc ind ine ini ink inn inr ir- ira irc ird ire iri irk irn irr ka- kaa kac kad kae kai kak kan kar kca kcc kcd kce kci kck kcn kcr kda kdc kde kdk kdr ke- kea kec ked kee kei kek ken ker kia kic kid kie kii kik kin kir kkc kke kki kkk kkn kkr kn- kna knc knd kne kni knk knn knr kra krc krd kri krk krn krr n-i naa nac nad nae nai nak nan nar nca ncc ncd nce nci nck ncn ncr nda ndc ndd nde ndi ndk ndn ndr ne- nea nec ned nee nei nek nen ner nia nic nid nie nii nik nin nir nka nkc nke nki nkk nkn nkr nna nnc nne nni nnk nnn nra nrc nrd nre nri nrk nrn nrr ra- raa rac rad rae rai rak ran rar rca rcc rcd rce rci rcn rcr rda rdc rdd rde rdi rdn rdr re- rea rec red ree rei rek ren rer ria ric rid rie rii rik rin rir rkc rke rkk rna rnc rnd rni rnn rnr rra rrc rrd rri rrk rrn rrr