a-a a-t aaa aad aap aar aat aav ad- ada add adp adr adt adv ap- apa apd app apr apt apv ar- ara ard arp arr art arv at- ata atd atp atr att atv av- ava avd avp avr avt daa dad dap dar dat dav dda ddd ddp ddr ddt dpa dpd dpp dpr dpt dpv dra drd drp drr drt drv dta dtd dtp dtr dtt dtv dva dvd dvp dvr dvt p-p paa pad pap par pat pav pda pdd pdp pdr pdt pdv ppa ppd ppp ppr ppt ppv pra prd prp prr prt prv pt- pta ptd ptp ptr ptt ptv pva pvd pvp pvr pvt pvv ra- raa rad rap rar rat rav rda rdd rdp rdr rdt rdv rpa rpd rpp rpr rpt rpv rra rrd rrp rrr rrt rta rtd rtp rtr rtt rtv rva rvd rvp rvr rvt rvv taa tad tap tar tat tav tda tdd tdp tdr tdt tdv tpa tpd tpp tpr tpt tpv tra trd trp trr trt trv tta ttd ttp ttr ttt ttv tva tvd tvp tvr tvt v-a vaa vad vap var vat vav vdd vdp vdr vdt vdv vpa vpd vpp vpr vpt vra vrd vrp vrr vrt vta vtr vtt vtv vva vvr vvt vvv