function solve(s) {
 
	var k = s.match(/\w/g).filter(function (x, i, a) {return a.indexOf(x) === i})
	var w = s.match(/\w+/g).map(function (x) {return x})
 
	var f = ''
	f += 'var ' +k.join(', ')+ ';\n'
	f += 'var ' +w.join(', ')+ ';\n'
	f += k.join(' = ')+ ' = 0;\n'
	k.forEach(function (x) { 
		var n = w.some(function (y) { return y.startsWith(x) && x!=y }) ? 1 : 0
		f += 'for (' +x+ ' = ' +n+ '; '+x+' < 10; ++'+x+') {\n' 
	})
	k.forEach(function (x) { 
		f += 'if (' +k.filter(function (y) { return x != y }).map(function (y) { return x+ '==' +y }).join('||')+ ') continue;\n'
	})
	w.forEach(function (x) { 
		f += x+ ' = ' +x.split('').reverse().map(function (y, i) { return i == 0 ? y : Math.pow(10, i)+ '*' +y}).reverse().join(' + ')+ ';\n' 
	})
	f += 'if (' +s+ ') return [' +w.join(', ')+ '];'
	f += '}'.repeat(k.length) + '\n'
 
	var e = new Function(f)()
	return w.reduce(function (l, r, i) { return l.replace(r, e[i]) }, s)
 
}

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