Generate Passphrases in Go

package main

import (
    "crypto/rand"
    "fmt"
    "math/big"
    "strings"
)

var wordlist = []string{
    "ability", "able", "about", "above", "accept", // ... 7771 more words
}

func GeneratePassphrase(wordCount int) (string, error) {
    words := make([]string, wordCount)
    max := big.NewInt(int64(len(wordlist)))

    for i := 0; i < wordCount; i++ {
        n, err := rand.Int(rand.Reader, max)
        if err != nil {
            return "", fmt.Errorf("random generation failed: %w", err)
        }
        words[i] = wordlist[n.Int64()]
    }

    return strings.Join(words, "-"), nil
}

func main() {
    // Generate 6-word passphrase
    passphrase, err := GeneratePassphrase(6)
    if err != nil {
        panic(err)
    }
    fmt.Println(passphrase)
    // Output: "crystal-thunder-freedom-mountain-velocity-quantum"

    // Generate multiple passphrases
    for i := 0; i < 3; i++ {
        p, _ := GeneratePassphrase(6)
        fmt.Println(p)
    }
}