Adeega Darajaynta Xirfadlayaasha. Xirfadlayaasha ka soo shaqeeyay jagooyinka kale ee BPS waa in lagu xisaabiyo dhammaan sanadaha adeegga marka ay bilaabaan shaqada xirfadle ahaan, sida soo socota: Geli Qodobka cusub III A ee heshiiska xirfadlayaasha sida soo socota (oo u gudbi qaybaha dambe):
