(CH3)3CX>(CH3)2CHX>CH3CH2X\left(\mathrm{CH}_{3}\right)_{3} \mathrm{CX}>\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CHX}>\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{X}(CH3)3CX>(CH3)2CHX>CH3CH2X
CH3CH2X>(CH3)2CHX>(CH3)3CX\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{X}>\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CHX}>\left(\mathrm{CH}_{3}\right)_{3} \mathrm{CX}CH3CH2X>(CH3)2CHX>(CH3)3CX
(CH3)3CX>CH3CH2X>(CH3)2CHX\left(\mathrm{CH}_{3}\right)_{3} \mathrm{CX}>\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{X}>\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CHX}(CH3)3CX>CH3CH2X>(CH3)2CHX
(CH3)2CHX>(CH3)3CX>CH3CH2X\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CHX}>\left(\mathrm{CH}_{3}\right)_{3} \mathrm{CX}>\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{X}(CH3)2CHX>(CH3)3CX>CH3CH2X