navi1-9  Exercise 1: Building Numbers
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   9   voláw    vol (8) + 'aw (1)         eight and one
  12   vosìng   vo- + (t)sìng (4)         eight and four
  16   mévol    me- (2) + vol             two eights
  24   pxévol   pxe- (3) + vol            three eights
  64   zam      8 x 8                     the next round number

Check: every number from 9 to 63 is "so many eights, plus so many ones",
written as one word.