-er -ic a-a a-c a-i aaa aac aad aae aai aak aam aar ac- aca acc acd ace aci ack acm acr ad- ada adc add ade adi adk adm adr aea aec aed aee aei aek aem aer ai- aia aic aid aie aii aik aim air aka akc akd ake aki akk akm akr ama amc amd ame ami amk amm amr ar- ara arc ard are ari ark arm arr c-- caa cac cad cae cai cak cam car cca ccc ccd cce cci cck ccm ccr cda cdc cdd cde cdi cdk cdm cdr ce- cea cec ced cee cei cek cem cer ci- cia cic cid cie cii cik cim cir cka ckc ckd cki ckm cma cmc cmd cme cmi cmk cmm cmr cra crc crd cre cri crk crm crr daa dac dad dae dai dak dam dar dca dcc dcd dce dci dck dcm dcr dda ddc ddd dde ddi ddk ddm ddr de- dea dec ded dee dei dek dem der di- dia dic did die dii dik dim dir dka dkc dke dki dkk dkm dkr dma dmc dmd dme dmi dmk dmm dmr dra drc drd dre dri drk drm drr eaa eac ead eae eai eak eam ear ec- eca ecc ecd ece eci eck ecm ecr ed- eda edc edd ede edi edk edm edr eea eec eed eee eek eem eer eia eic eid eie eii eik eim eir eka ekc ekd eke eki ekr em- ema emc emd eme emi emk emm emr era erc erd ere eri erk erm err i-d ia- iaa iac iad iae iai iam iar ica icc icd ice ici ick icm icr ida idc idd ide idi idk idm idr ie- iea iec ied iee iei iek iem ier iia iic iid iie iii iim iir ika ikc ike iki ikk ikr im- ima imc imd ime imi imm ir- ira irc ird ire iri irk irm irr ka- kaa kac kad kae kai kak kam kar kca kcc kcd kce kci kck kcm kcr kda kdc kde kdk kdm kdr ke- kea kec ked kee kei kek kem ker kia kic kid kie kii kik kim kir kkc kke kki kkk kkm kkr kma kmc kmd kme kmi kmk kmm kra krc krd kri krk krr m-r maa mac mad mae mai mak mam mar mc- mca mcc mcd mce mci mck mcm mcr mda mdc mdd mde mdi mdk mdm mdr mea mec med mee mei mek mem mer mi- mia mic mid mie mii mik mim mir mka mkc mkd mke mkk mkm mkr mma mmc mmd mme mmi mmk mmm mmr mra mrc mrd mre mri mrk mrm mrr ra- raa rac rad rae rai rak ram rar rca rcc rcd rce rci rcm rcr rda rdc rdd rde rdi rdm rdr re- rea rec red ree rei rek rem rer ria ric rid rie rii rik rim rir rkc rke rkk rkm rma rmc rmd rme rmi rmm rmr rra rrc rrd rri rrk rrm rrr