The chart demonstrates that imperative length differs according to the root and applicable reductions.
PastPresentCommandType
وَقَىيَقِيقِSeparated double-weak
رَأَىيَرَىرَHamzah and weak radical
وَلِيَيَلِيلِSeparated double-weak
بَاعَيَبِيعُبِعْHollow yāʾ
أَلْقَىيُلْقِيأَلْقِFinal-weak yāʾ
One-letter commands such as قِ، رَ، لِ reflect established patterns of reduction, not arbitrary spelling.