a-a a-t aaa aan aao aar aat aav an- ana ann ano anr ant anv aoa aon aoo aor aot aov ar- ara arn aro arr art arv at- ata atn ato atr att atv av- ava avn avo avr avt naa nan nao nar nat nav nna nnn nno nnt nnv no- noa non noo nor not nov nra nrn nro nrr nrt nrv nta ntn nto ntr ntt ntv nva nvn nvt nvv oaa oan oao oar oat oav on- ona onn ono onr ont oo- ooa oon ooo oor oot oov or- ora orn oro orr ort orv ot- ota otn oto otr ott otv ov- ova ovo ovv ra- raa ran rao rar rat rav rna rnn rno rnr rnt rnv roa ron roo ror rot rov rra rrn rrr rrt rta rtn rto rtr rtt rtv rva rvn rvo rvr rvt rvv taa tan tao tar tat tav tna tnn tno tnr tnt to- toa ton too tor tot tov tra trn tro trr trt trv tta ttn tto ttr ttt ttv tva tvn tvo tvr tvt v-a vaa van vao var vat vav vn- vna vno vnr vnv voa von voo vor vot vov vra vrn vrr vrt vta vto vtr vtt vtv vva vvo vvr vvt vvv