-ic a-a a-c a-i aaa aac aad aae aaf aai aak aam ac- aca acc acd ace acf aci ack acm ad- ada adc add ade adf adi adk adm aea aec aed aee aef aei aek aem af- afa afc afd afe aff afi afk afm ai- aia aic aid aie aif aii aik aim aka akc akd ake aki akk akm ama amc amd ame amf ami amk amm c-- caa cac cad cae caf cai cak cam cca ccc ccd cce ccf cci cck ccm cda cdc cdd cde cdf cdi cdk cdm ce- cea cec ced cee cef cei cek cem cfa cfc cfd cfe cff cfi cfk cfm ci- cia cic cid cie cif cii cik cim cka ckc ckd cki ckm cma cmc cmd cme cmf cmi cmk cmm daa dac dad dae daf dai dak dam dca dcc dcd dce dcf dci dck dcm dda ddc ddd dde ddf ddi ddk ddm de- dea dec ded dee def dei dek dem dfa dfc dfd dfe dff dfi dfk dfm di- dia dic did die dif dii dik dim dka dkc dke dki dkk dkm dma dmc dmd dme dmf dmi dmk dmm eaa eac ead eae eaf eai eak eam ec- eca ecc ecd ece ecf eci eck ecm ed- eda edc edd ede edf edi edk edm eea eec eed eee eef eek eem ef- efa efc efd efe eff efi efm eia eic eid eie eif eii eik eim eka ekc ekd eke ekf eki em- ema emc emd eme emf emi emk emm faa fac fad fae faf fai fak fam fca fcc fcd fce fcf fci fck fcm fda fdc fdd fde fdf fdi fdk fdm fea fec fed fee fef fei fek fem ffa ffc ffd ffe fff ffi ffk ffm fia fic fid fie fif fii fik fim fka fkc fkf fki fkk fkm fma fmc fmd fme fmf fmi fmm i-d i-f ia- iaa iac iad iae iaf iai iam ica icc icd ice icf ici ick icm ida idc idd ide idf idi idk idm ie- iea iec ied iee ief iei iek iem ifa ifc ifd ife iff ifi ifm iia iic iid iie iif iii iim ika ikc ike ikf iki ikk im- ima imc imd ime imf imi imm ka- kaa kac kad kae kaf kai kak kam kca kcc kcd kce kci kck kcm kda kdc kde kdf kdk kdm ke- kea kec ked kee kef kei kek kem kfa kfc kfd kff kfi kfm kia kic kid kie kif kii kik kim kkc kke kki kkk kkm kma kmc kmd kme kmf kmi kmk kmm m-f maa mac mad mae maf mai mak mam mc- mca mcc mcd mce mcf mci mck mcm mda mdc mdd mde mdf mdi mdk mdm mea mec med mee mef mei mek mem mfa mfc mfd mfe mff mfi mfm mi- mia mic mid mie mif mii mik mim mka mkc mkd mke mkk mkm mma mmc mmd mme mmf mmi mmk mmm