English Name of the Last Digit

function solve(num) {

    let lastDigit = num % 10;

    if (lastDigit < 0) {
        lastDigit = Math.abs(lastDigit);
    }

    let englishName = '';

    switch (lastDigit) {
        case 0:
            englishName = 'zero';
            break;

        case 1:
            englishName = 'one';
            break;

        case 2:
            englishName = 'two';
            break;

        case 3:
            englishName = 'three';
            break;

        case 4:
            englishName = 'four';
            break;

        case 5:
            englishName = 'five';
            break;

        case 6:
            englishName = 'six';
            break;

        case 7:
            englishName = 'seven';

        case 8:
            englishName = 'eight';
            break;

        case 9:
            englishName = 'nine';
            break;
    }

    console.log(englishName);
}