Available 74xx chips:
7400 - quad 2-input NAND gate
7402 - quad 2-input NOR gate
7404 - hex inverter gate
7432 - quad 2-input OR gate
7448 - BCD to 7 Segment Converter
7474 - dual D positive edge triggered flip-flop,
7476 - JK flip flop
7486 - quad 2-input XOR gate
74151 - 8-line to 1-line data selector/multiplexer