None.
There are no two-letter English words that end with B.
1 litre = 1000 cc so 2 litres = 2*1000 = 2000 cc.
two
words with "or" in the end are valor, accelator
Two such words are verbatim and victim.
2,000 cc or mL
Headache
a mark introduced on clothing, etc by the Government towards the end of 1941 - two large CC's and 41 formed the logo.
ag.
amum
jostle and apostle
at and it