a-a a-c aaa aac aae aak aam aap aas ac- aca acc ace ack acm acp acs aea aec aee aek aem aep aes aka akc ake akk akm akp aks ama amc ame amk amm amp ams ap- apa apc ape apk apm app aps as- asa asc ase ask asm asp ass c-- caa cac cae cak cam cap cas cca ccc cce cck ccm ccp ccs ce- cea cec cee cek cem cep ces cka ckc ckm cks cma cmc cme cmk cmm cmp cms cpa cpc cpe cpk cpm cpp cps csa csc cse csk csm csp css eaa eac eae eak eam eap eas ec- eca ecc ece eck ecm ecs eea eec eee eek eem eep ees eka ekc eke ekp eks em- ema emc eme emk emm emp ems ep- epa epc epe epm epp eps es- esa esc ese esk esm esp ess ka- kaa kac kae kak kam kap kas kca kcc kce kck kcm kcp kcs ke- kea kec kee kek kem kep kes kkc kke kkk kkm kkp kks kma kmc kme kmk kmm kmp kms kpa kpc kpe kpk kpm kpp kps ksa ksc kse ksk ksm ksp kss maa mac mae mak mam map mas mc- mca mcc mce mck mcm mcp mcs mea mec mee mek mem mep mes mka mkc mke mkk mkm mkp mks mma mmc mme mmk mmm mmp mms mpa mpc mpe mpk mpm mpp mps msa msc mse msk msm msp mss p-p paa pac pae pak pam pap pas pca pcc pce pck pcm pcp pcs pea pec pee pek pem pep pes pka pkc pke pkm pkp pks pma pmc pme pmk pmm pmp pms ppa ppc ppe ppk ppm ppp pps ps- psa psc pse psk psm psp pss saa sac sae sak sam sap sas sca scc sce sck scm scp scs se- sea sec see sek sem sep ses sk- ska skc ske skk skm skp sks sma smc sme smk smm smp sms spa spc spe spk spm spp sps ss- ssa ssc sse ssk ssm ssp sss