Draw the structures of the following compounds:
$(a)$ $3, 4-$dimethylhexane
$(b)$ $4, 5-$diethyl$-5-$methylnonane
$(c)$ Methylcyclopentane
$(d)$ $1, 3, 5-$triethylcyclohexane
$(e)$ Buta$-1, 3-$diene
$(f)$ Buta$-1, 3-$diyne
$(g)$ Hexa$-1, 3-$diene$-5-$yne

(N/A) $CH_3-CH_2-CH(CH_3)-CH(CH_3)-CH_2-CH_3$
$(b)$ $CH_3-CH_2-CH_2-CH_2-C(CH_3)(CH_2CH_3)-CH(CH_2CH_3)-CH_2-CH_2-CH_3$
$(c)$ $A$ cyclopentane ring with a methyl group attached.
$(d)$ $A$ cyclohexane ring with ethyl groups at positions $1, 3,$ and $5$.
$(e)$ $CH_2=CH-CH=CH_2$
$(f)$ $HC\equiv C-C\equiv CH$
$(g)$ $CH_2=CH-CH=CH-C\equiv CH$