Reconstructs a seed from a backup mnemonic with ONE missing word, assuming the other words are in the correct order.
For example, with the following mnemonic:
regret stay visit pride feel whip
this command:
./find_missing_word.js regret stay pride feel whip
produces this output:
Valid reconstructed mnemonic: abandon regret stay pride feel whip
Valid reconstructed mnemonic: ability regret stay pride feel whip
Valid reconstructed mnemonic: absorb regret stay pride feel whip
Valid reconstructed mnemonic: abstract regret stay pride feel whip
Valid reconstructed mnemonic: achieve regret stay pride feel whip
Valid reconstructed mnemonic: acoustic regret stay pride feel whip
Valid reconstructed mnemonic: acquire regret stay pride feel whip
Valid reconstructed mnemonic: action regret stay pride feel whip
Valid reconstructed mnemonic: actor regret stay pride feel whip
Valid reconstructed mnemonic: addict regret stay pride feel whip
Valid reconstructed mnemonic: address regret stay pride feel whip
Valid reconstructed mnemonic: advance regret stay pride feel whip
Valid reconstructed mnemonic: affair regret stay pride feel whip
Valid reconstructed mnemonic: age regret stay pride feel whip
Valid reconstructed mnemonic: agree regret stay pride feel whip
...
The number of valid seeds will vary depending on the length of the mnemonic and the specific word omitted.