a-a a-t aaa aan aap aas aat aav an- ana ann anp ans ant anv ap- apa apn app aps apt apv as- asa asn asp ass ast asv at- ata atn atp ats att atv av- ava avn avp avs avt naa nan nap nas nat nav nna nnn nnp nns nnt nnv npa npn npp nps npt npv nsa nsn nsp nss nst nsv nta ntn ntp nts ntt ntv nva nvn nvp nvt nvv p-p paa pan pap pas pat pav pn- pna pnn pnp pns pnt pnv ppa ppn ppp pps ppt ppv ps- psa psn psp pss pst psv pt- pta ptn ptp pts ptt ptv pva pvn pvp pvs pvt pvv saa san sap sas sat sav sna snn snp sns snt snv spa spn spp sps spt spv ss- ssa ssn ssp sss sst ssv sta stn stp sts stt stv sva svn svp svs svt svv taa tan tap tas tat tav tna tnn tnp tns tnt tpa tpn tpp tps tpt tpv tsa tsn tsp tss tst tsv tta ttn ttp tts ttt ttv tva tvn tvp tvs tvt v-a vaa van vap vas vat vav vn- vna vnp vns vnv vpa vpn vpp vps vpt vsa vsn vsp vss vst vsv vta vts vtt vtv vva vvs vvt vvv