Added bip39 Italian wordlist #306

Here you can find the proposed Italian wordlist for BIP0039.

Words have been chosen using the following rules:

1. Simple and common italian words.
2. Length between 4 and 8 characters.
3. First 4 letters must be unique between all words.
4. No accents or special characters.
5. No complex verb forms.
6. No plural words.
7. No words that remind negative/sad/bad things.
8. If both female/male words are available, choose male version.
9. No words with double vocals (like: lineetta).
10. No words already used in other languages mnemonic sets.
11. If 3 of the first 4 letters are already used in the same sequence in another mnemonic word, there must be at least other 3 different letters.
12. If 3 of the first 4 letters are already used in the same sequence in another mnemonic word, there not must be the same sequence of 3 or more letters.

Rules 11 and 12 prevent the selection words that are not different enough. This makes each word more recognizable among others and less error prone. For example: the wordlist contains "atono", then "atomo" is rejected, but "atomico" is good.

All the words have been manually selected and automatically checked against the rules.

Words have been checked automatically against an italian dictionary and spell-checker and reviewed one by one.

I apologize for the multiple commits, I tried to squash everything into one but failed (resulting also in 2 closed pull requests). Is it possible to proceed from here?

Sure, doesn't matter how many commits there are. Can you get an ACK from one of the BIP 39 Authors?

@paoloaga is the word list NFKD normalized? (I haven't checked)

@voisine its not using any non-ascii characters, AFAIK it should be OK

@voisine yes, all the words are using standard ASCII charset. Chosen words don't have any accent or special char in native language so they don't cause any confusion. They are also different enough so that they can't be misspelled/misunderstood, they are all recognizable from the first 4 characters, there are at least 3 different chars between words, and words that have similar letter patterns have been avoided.

Great work @paoloaga :+1:

@voisine looks like this word list meets all the requirements; just waiting for your ACK to merge

non-itallian speaking ACK, thanks @paoloaga

italian speaking ACK

Italian speaking ACK :+1:

Thanks @dcousens , @voisine , @HostFat , @Polve .