a-a a-i aaa aae aaf aag aai aav aea aee aef aeg aei aev af- afa afe aff afg afi afv ag- aga age agf agg agi agv ai- aia aie aif aig aii aiv av- ava ave avf avg avi eaa eae eaf eag eai eav eea eee eef eeg eev ef- efa efe eff efg efi ega ege egf egg egi eia eie eif eig eii eiv eva eve evf evg evi evv faa fae faf fag fai fav fea fee fef feg fei fev ffa ffe fff ffg ffi ffv fga fge fgf fgg fgi fgv fia fie fif fig fii fva fvg gaa gae gaf gag gai gav ge- gea gee gef geg gei gev gfa gfe gff gfi gga ggg ggi ggv gia gie gif gig gii giv gva gve gvf gvg gvi i-f i-v ia- iaa iae iaf iag iai iav ie- iea iee ief ieg iei iev ifa ife iff ifg ifi iga ige igf igg igi iia iie iif iii iva ive ivf ivg ivi ivv v-a v-e vaa vae vag vai vav vea vee vef veg vei vfa vff vfg vfi vfv vga vgf vgg vi- via vie vif vig vii viv vva vvg vvi vvv