a-a a-c aaa aac aad aae aak aam aas ac- aca acc acd ace ack acm acs ad- ada adc add ade adk adm ads aea aec aed aee aek aem aes aka akc akd ake akk akm aks ama amc amd ame amk amm ams as- asa asc asd ase ask asm ass c-- caa cac cad cae cak cam cas cca ccc ccd cce cck ccm ccs cda cdc cdd cde cdk cdm cds ce- cea cec ced cee cek cem ces cka ckc ckd ckm cks cma cmc cmd cme cmk cmm cms csa csc csd cse csk csm css daa dac dad dae dak dam das dca dcc dcd dce dck dcm dcs dda ddc ddd dde ddk ddm dds de- dea dec ded dee dek dem des dka dkc dke dkk dkm dks dma dmc dmd dme dmk dmm dms dsa dsc dsd dse dsk dsm dss eaa eac ead eae eak eam eas ec- eca ecc ecd ece eck ecm ecs ed- eda edc edd ede edk edm eds eea eec eed eee eek eem ees eka ekc ekd eke eks em- ema emc emd eme emk emm ems es- esa esc esd ese esk esm ess ka- kaa kac kad kae kak kam kas kca kcc kcd kce kck kcm kcs kda kdc kde kdk kdm kds ke- kea kec ked kee kek kem kes kkc kke kkk kkm kks kma kmc kmd kme kmk kmm kms ksa ksc ksd kse ksk ksm kss maa mac mad mae mak mam mas mc- mca mcc mcd mce mck mcm mcs mda mdc mdd mde mdk mdm mds mea mec med mee mek mem mes mka mkc mkd mke mkk mkm mks mma mmc mmd mme mmk mmm mms msa msc msd mse msk msm mss saa sac sad sae sak sam sas sca scc scd sce sck scm scs sda sdc sdd sde sdk sdm sds se- sea sec sed see sek sem ses sk- ska skc skd ske skk skm sks sma smc smd sme smk smm sms ss- ssa ssc ssd sse ssk ssm sss