Hi, Roger

Supposing your leds are 5v powered ...

inserting 3x "1N4148" in series in EACH "base" connexion, AND two resistors ( equal high value ) to set "third state" output to V+/2 ...

that should work !!!

Alain

PS: dis, tes montages tordus ..., tu vas les pècher où ??? ... LOL !!!