7b1l 8b1lm 9b1lmn ac1l bc1lm

w21lm x21lmn y21l z21lm 021lmn

lt2lmn mt2l nt2lm ot2lmn pt2l

ak3l bk3lm ck3lmn dk3l ek3lm

za4lm 0a4lmn 1a4l 2a4lm 3a4lmn