a-a a-c a-t aaa aac aae aak aam aap aas aat ac- aca acc ace ack acm acp acs act aea aec aee aek aem aep aes aet aka akc ake akk akm akp aks ama amc ame amk amm amp ams amt ap- apa apc ape apk apm app aps apt as- asa asc ase ask asm asp ass ast at- ata atc ate atm atp ats att c-- caa cac cae cak cam cap cas cat cca ccc cce cck ccm ccp ccs cct ce- cea cec cee cek cem cep ces cet cka ckc ckm cks ckt cma cmc cme cmk cmm cmp cms cmt cpa cpc cpe cpk cpm cpp cps cpt csa csc cse csk csm csp css cst cta ctc cte ctk ctm ctp cts ctt eaa eac eae eak eam eap eas eat ec- eca ecc ece eck ecm ecs ect eea eec eee eek eem eep ees eet eka ekc eke ekp eks ekt em- ema emc eme emk emm emp ems emt ep- epa epc epe epm epp eps ept es- esa esc ese esk esm esp ess est eta etc ete etk etm etp ets ett k-t ka- kaa kac kae kak kam kap kas kat kca kcc kce kck kcm kcp kcs kct ke- kea kec kee kek kem kep kes ket kkc kke kkk kkm kkp kks kkt kma kmc kme kmk kmm kmp kms kmt kpa kpc kpe kpk kpm kpp kps kpt ksa ksc kse ksk ksm ksp kss kst kta ktc kte ktk ktm ktp kts ktt maa mac mae mak mam map mas mat mc- mca mcc mce mck mcm mcp mcs mct mea mec mee mek mem mep mes met mka mkc mke mkk mkm mkp mks mkt mma mmc mme mmk mmm mmp mms mmt mpa mpc mpe mpk mpm mpp mps mpt msa msc mse msk msm msp mss mst mta mtc mte mtk mtm mtp mts mtt p-p paa pac pae pak pam pap pas pat pca pcc pce pck pcm pcp pcs pct pea pec pee pek pem pep pes pet pka pkc pke pkm pkp pks pkt pma pmc pme pmk pmm pmp pms pmt ppa ppc ppe ppk ppm ppp pps ppt ps- psa psc pse psk psm psp pss pst pt- pta ptc pte ptk ptm ptp pts ptt saa sac sae sak sam sap sas sat sca scc sce sck scm scp scs sct se- sea sec see sek sem sep ses set sk- ska skc ske skk skm skp sks skt sma smc sme smk smm smp sms smt spa spc spe spk spm spp sps spt ss- ssa ssc sse ssk ssm ssp sss sst sta stc ste stk stm stp sts stt taa tac tae tak tam tap tas tat tca tcc tce tck tcm tcp tcs tct te- tea tec tee tek tem tep tes tet tka tkc tke tkk tkm tkp tks tkt tma tmc tme tmk tmm tmp tms tmt tpa tpc tpe tpk tpm tpp tps tpt tsa tsc tse tsk tsm tsp tss tst tta ttc tte ttk ttm ttp tts ttt