Напишите все возможные изомеры ch3-ch2nh2

(CH3)2CH-NH-CH2-CH3
CH3-CH2-CH2-CH2-NH-CH3
(CH3)2CH-CH2-NH-CH3
CH3-CH2-CH(CH3)-NH-CH3
(CH3)3C-NH-CH3

CH3-CH2-CH2-CH2-CH2-NH2
CH3-CH2-CH(CH3)-CH2-NH2
CH3-CH2-CH2-CH(CH3)-NH2
(CH3-CH2)2CH-NH2
CH3-CH(CH3)-CH(CH3)-NH2
CH3-CH2-C(CH3)2-NH2
(CH3)2CH-CH2-CH2-NH2
(CH3)2CH-CH(CH3)-NH2
(CH3)3C-CH2-NH2

CH3-CH2-CH2-N(CH3)2
(CH3)2CH-N(CH3)2
CH3-N(CH2-CH3)2