a-a a-t aaa aap aar aat aav aay ap- apa app apr apt apv apy ar- ara arp arr art arv ary at- ata atp atr att atv av- ava avp avr avt avy ay- aya ayp ayr ayt p-p paa pap par pat pav pay ppa ppp ppr ppt ppv pra prp prr prt prv pry pt- pta ptp ptr ptt ptv pty pva pvp pvr pvt pvv py- pya pyr pyt ra- raa rap rar rat rav ray rpa rpp rpr rpt rpv rra rrp rrr rrt rta rtp rtr rtt rtv rty rva rvp rvr rvt rvv rvy ry- rya ryr ryy taa tap tar tat tav tay tpa tpp tpr tpt tpv tra trp trr trt trv try tta ttp ttr ttt ttv tty tva tvp tvr tvt tvy tya typ tyr tyt v-a vaa vap var vat vav vay vpa vpp vpr vpt vra vrp vrr vrt vry vta vtr vtt vtv vty vva vvr vvt vvv vyp vyt yaa yap yar yat yav yay ypa yra yrp yrt yta ytp ytr ytt ytv yva yvr yvy yyt yyy