Carbons	Prefix	Carbons	Prefix
1	meth-	6	hex-
2	eth-	7	hept-
3	prop-	8	oct-
4	but-	9	non-
5	pent-	10	dec-

For chains longer than 10 carbons: undec- (11), dodec- (12), tridec- (13), tetradec- (14), pentadec- (15).

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