a-a a-c a-t aaa aac aae aak aap aas aat aav ac- aca acc ace ack acp acs act acv aea aec aee aek aep aes aet aev aka akc ake akk akp aks akv ap- apa apc ape apk app aps apt apv as- asa asc ase ask asp ass ast asv at- ata atc ate atp ats att atv av- ava avc ave avk avp avs avt c-- caa cac cae cak cap cas cat cav cca ccc cce cck ccp ccs cct ccv ce- cea cec cee cek cep ces cet cev cka ckc cks ckt cpa cpc cpe cpk cpp cps cpt cpv csa csc cse csk csp css cst csv cta ctc cte ctk ctp cts ctt ctv cva cvc cve cvk cvp cvs cvt cvv eaa eac eae eak eap eas eat eav ec- eca ecc ece eck ecs ect ecv eea eec eee eek eep ees eet eev eka ekc eke ekp eks ekt ekv ep- epa epc epe epp eps ept es- esa esc ese esk esp ess est esv eta etc ete etk etp ets ett etv eva evc eve evp evs evt evv k-t ka- kaa kac kae kak kap kas kat kav kca kcc kce kck kcp kcs kct ke- kea kec kee kek kep kes ket kev kkc kke kkk kkp kks kkt kkv kpa kpc kpe kpk kpp kps kpt kpv ksa ksc kse ksk ksp kss kst ksv kta ktc kte ktk ktp kts ktt ktv kva kvk kvp kvs kvv p-p paa pac pae pak pap pas pat pav pca pcc pce pck pcp pcs pct pcv pea pec pee pek pep pes pet pev pka pkc pke pkp pks pkt ppa ppc ppe ppk ppp pps ppt ppv ps- psa psc pse psk psp pss pst psv pt- pta ptc pte ptk ptp pts ptt ptv pva pvc pve pvk pvp pvs pvt pvv saa sac sae sak sap sas sat sav sca scc sce sck scp scs sct scv se- sea sec see sek sep ses set sev sk- ska skc ske skk skp sks skt spa spc spe spk spp sps spt spv ss- ssa ssc sse ssk ssp sss sst ssv sta stc ste stk stp sts stt stv sva svc sve svk svp svs svt svv taa tac tae tak tap tas tat tav tca tcc tce tck tcp tcs tct tcv te- tea tec tee tek tep tes tet tev tka tkc tke tkk tkp tks tkt tpa tpc tpe tpk tpp tps tpt tpv tsa tsc tse tsk tsp tss tst tsv tta ttc tte ttk ttp tts ttt ttv tva tvc tve tvk tvp tvs tvt v-a v-e vaa vac vae vak vap vas vat vav vca vcc vce vcp vcs vct vea vec vee vek vep ves vet vka vkp vkt vpa vpc vpe vpk vpp vps vpt vsa vsc vse vsk vsp vss vst vsv vta vtc vte vtk vts vtt vtv vva vvc vvs vvt vvv