In British English, the phonetics /ɪə/ corresponds to the vowel sound in words like "ear" and "deer".
Some common words which practice the pronunciation of /ɪə/ include the following:
with "ear" clear - ear - fear - gear - near - tears - year;
with "ee": beer - cheers!;
others: here - mere - we're - weird;
homophones: dear/deer - hear/here - peer/pier.
When using words containing this vowel sound, Spanish speakers tend to use /eə/, i.e. without practice, they tend not to distinguish between "beer" and "bear".
When using words containing this vowel sound, Spanish speakers tend to use /ɒ/, which is very similar to the Spanish letter "o", i.e. without practice, they tend not to distinguish between "not" and "note" or, even between "want" and "won't".
In British English the phonetic symbol /ai/ corresponds to the vowel sound in words like "fly" and "time". It is called a Diphthong.
Some common words which practice the pronunciation of /ai/ include the following:
with "i": bike - die - file - I - ice - lie - like - line - mine - nice - pie - pine - pint - price - quite - size - smile - tie - time - white - wine - write;
with "ig": align - assign - sign;
with "igh": bright - fight - fright - height - high - light - night - right - sigh - sight - slight - thigh - tight;
with "y": cry - dry - dye - eye - fly - fry - my - rye - shy - sky - sty - try - type - why;
In British English, the phonetics symbol /ei/ corresponds to the vowel sound in words like "cake" and "play". It is a diphthong.
Some common words which practice the pronunciation of /ei/ include the following:
with "a": ache - age - blame - brake - cake - date - escape - game - gate - lake - late - male - name - pale - paper - plate - sale - same - sane - snake - stale - state - whale;
with "ai": aid - aim - brain - chain - fail - gain - hail - paid - rain - snail - stain - straight - train - trait;
with "ay": day - pay - play - May - say - stay - tray;
While /ei/ is virtually the same as the Spanish diphthong "ei", many Spanish speakers have difficulty remembering that many other words with different spellings may also have that same pronunciation in English.