@spidernik84 et al, this should rather be between 0.7-1.8 million wordforms but not much more based on the 92034 stems (roughly what we count as words) which is about the size of a standard working vocabulary of other latin script languages like french (0.63 million aspell wordforms). So there is something wrong with the assumptions in the expansion processing.
nico@hendrix:~/aspell/aspell6-it-2.4-20070901-0$ aspell -l en dump master | aspell -l en expand | wc 119789 119789 1153336 nico@hendrix:~/aspell/aspell6-it-2.4-20070901-0$ aspell -l it dump master | aspell -l it expand | wc 95193 36636439 655315062