a-a a-t aaa aan aao aap aat aav an- ana ann ano anp ant anv aoa aon aoo aop aot aov ap- apa apn apo app apt apv at- ata atn ato atp att atv av- ava avn avo avp avt naa nan nao nap nat nav nna nnn nno nnp nnt nnv no- noa non noo nop not nov npa npn npo npp npt npv nta ntn nto ntp ntt ntv nva nvn nvp nvt nvv oaa oan oao oap oat oav on- ona onn ono onp ont oo- ooa oon ooo oop oot oov op- opa opn opo opp opt opv ot- ota otn oto otp ott otv ov- ova ovo ovp ovv p-p paa pan pao pap pat pav pn- pna pnn pno pnp pnt pnv poa pon poo pop pot pov ppa ppn ppo ppp ppt ppv pt- pta ptn pto ptp ptt ptv pva pvn pvo pvp pvt pvv taa tan tao tap tat tav tna tnn tno tnp tnt to- toa ton too top tot tov tpa tpn tpo tpp tpt tpv tta ttn tto ttp ttt ttv tva tvn tvo tvp tvt v-a vaa van vao vap vat vav vn- vna vno vnp vnv voa von voo vop vot vov vpa vpn vpo vpp vpt vta vto vtt vtv vva vvo vvt vvv