w3blp x3blp0 y3bl z3blp 03blp0
luclp0 mucl nuclp ouclp0 pucl
aldl bldlp cldlp0 dldl eldlp
zbelp 0belp0 1bel 2belp 3belp0
o2elp0 p2el q2elp r2elp0 s2el