a-a a-i a-t aaa aaf aai aan aao aat aav af- afa aff afi afn afo aft afv ai- aia aif aii ain aio ait aiv an- ana anf ani ann ano ant anv aoa aof aoi aon aoo aot aov at- ata atf ati atn ato att atv av- ava avf avi avn avo avt faa faf fai fan fao fat fav ffa fff ffi ffn ffo fft ffv fia fif fii fin fit fna fnf fni fnn fnt fnv foa fof foi fon foo fot fta ftf fti ftn fto ftt ftv fva fvt i-f i-v ia- iaa iaf iai ian iao iat iav ifa iff ifi ifn ifo ift iia iif iii iin iio iit in- ina inf ini inn ino int inv io- ioa iof ioi ion ioo iot iov ita itf iti itn ito itt itv iva ivf ivi ivo ivt ivv n-i naa naf nai nan nao nat nav nfa nff nfi nfn nfo nft nfv nia nif nii nin nio nit niv nna nnf nni nnn nno nnt nnv no- noa nof noi non noo not nov nta ntf nti ntn nto ntt ntv nva nvi nvn nvt nvv o-i oaa oaf oai oan oao oat oav of- ofa off ofi ofn ofo oft ofv oia oif oii oin oio oit oiv on- ona onf oni onn ono ont oo- ooa oof ooi oon ooo oot oov ot- ota otf oti otn oto ott otv ov- ova ovf ovi ovo ovv taa taf tai tan tao tat tav tfa tff tfi tfn tfo tft tia tif tii tin tio tit tiv tna tnf tni tnn tno tnt to- toa tof toi ton too tot tov tta ttf tti ttn tto ttt ttv tva tvf tvi tvn tvo tvt v-a vaa vai van vao vat vav vfa vff vfi vfn vft vfv vi- via vif vii vin vio vit viv vn- vna vnf vni vno vnv voa vof voi von voo vot vov vta vti vto vtt vtv vva vvi vvo vvt vvv