These are:
i. The small initial hook written inside upward ‘L’ prefix ‘W’ and represent compound ‘wl’. It is used initially, medially and finally. viz
Well
Unwilling
ill-will
ii. When the sound of ‘h’ immediately precedes ‘wl’ the compound consonant ‘hwl’ is formed. It is represented by enlarging the small initial hook of the compound consonant ‘wl’ and is used initially and finally viz ,
Wheel
Meanwhile