• /eɪ/: bay, weigh - Tongue Twister
• /aɪ/: buy, why - Tongue Twister
• /ɔɪ/: boy, woy! - Tongue Twister

• /aʊ/: bow (v), wow! - Tongue Twister
• /əʊ/: bow(n), woe - Tongue Twister

• /ɪə/: beer, weir - Tongue Twister
• /eə/: bear, where -

More tongue twisters here:

• Ethansenglishcafe.com (archive)