-ly -ol bbb bbi bbl bbo bbr bby bi- bib bii bil bio bir biy blb bli bll blo blr bly bob boi bol boo bor boy brb bri brl bro brr bry by- byi byl byo byr ibb ibi ibl ibo ibr iby iib iii iil iio iir il- ilb ili ill ilo ilr ily io- iob ioi iol ioo ior ir- irb iri irl iro irr iry iyo iyr iyy lbb lbi lbl lbo lbr lib lii lil lio lir llb lli lll llo llr lly lob loi lol loo lor loy lrb lri lro lrr lry lyl lyo lyr o-i ob- obb obi obl obo obr oby oib oii oil oio oir olb oli oll olo oly oo- oob ooi ool ooo oor or- orb ori orl oro orr ory oyi oyl oyo rbb rbi rbl rbo rbr rib rii ril rio rir riy rli rll rlo rlr rly rob roi rol roo ror roy rrb rri rrl rrr ry- ryo ryr ryy ybi ybl ybr yby yii yio yir yli yll ylr yly yob yoi yol yoo yor yoy yro yyb yyy