-ly -ol b-p bbb bbl bbo bbp bby blb bll blo blp bly bob bol boo bop boy bpb bpl bpo bpp bpy by- byl byo byp l-p lbb lbl lbo lbp llb lll llo llp lly lob lol loo lop loy lpb lpl lpo lpp lyl lyo ob- obb obl obo obp oby olb oll olo olp oly oo- oob ool ooo oop op- opb opl opo opp opy oyl oyo p-p pbb pbl pbo pbp pby plb pll plo plp ply pob pol poo pop poy ppb ppl ppo ppp py- pyb pyl pyo ybl ybp yby yll yly yob yol yoo yop yoy ypl ypo yyb yyy