words = ["MINUS","ZEROS","ROUND","THIRD","PROOF","EVENT","MATHS","CUBIC","MONAD","GAUSS","AXIOM","PRISM","CHORD","ANGLE","LITRE","MILES","VALUE","TABLE","HALVE","EXACT","LOCUS","QUART","ARRAY","SOLID","KITES","TRIAL","EMPTY","FIFTH","NINTH","DEPTH","BOOLE","FACES","TENTH","SLOPE","SIXTH","DELTA","SIGMA","LINES","EULER","FIFTY","SCALE","RULER","INDEX","OUNCE","FIRST","SPACE","MONIC","POINT","RIGHT","DIGIT","VALID","TIMES","KLEIN","TWICE","SIXES","METRE","STONE","BAYES","SEVEN","PLANE","CLOCK","THREE","CHAOS","ACUTE","UNITS","HARDY","COUNT","FORTY","TORUS","WIDTH","LOGIC","WILES","POWER","EIGHT","RANGE","PRIME","MODAL","TREND","THETA","CURVE","SIXTY","ERROR","TALLY","PLATO","UNION","KILOS","GRAPH","RATIO","CUBES","DOZEN","EQUAL","ALPHA","NODES","GROUP","ERDOS","KAPPA","LIMIT","ADDED","HERTZ","LATEX","CONIC","RINGS","BOUND","ROOTS","BOREL","ALEPH","SURDS","HELIX","APPEL","EDGES","GAMMA","POLAR","GODEL","FIELD","TUPLE","POLYA","BASIS","UPPER","LEMMA","PROVE","ORDER","SIDES","HASSE","SMALL","BRACE","KNUTH","AREAS","IDEAL","SPACE","DENSE","MODEL","LOWER","OVALS","NOISE","SOLVE","BAIRE","CHAIN","JULIA","FOCUS","KNOTS","DIRAC","HOLES","NORMS","REALS"]


def are_disjoint(f,s):
	for c in f:
		if c in s:
			return False
	return True

pairs = []

for fi in range(len(words)):
	for si in range(fi, len(words)):
		f = words[fi]
		s = words[si]
		if are_disjoint(f, s):
			pairs.append([f, s])

print('[')
print(',\n'.join([f'["{pair[0]}", "{pair[1]}"]' for pair in pairs]))
print(']')