-ey -ly -ol bbb bbe bbi bbl bbo bbt bby be- beb bee bei bel beo bet bey bi- bib bie bii bil bio bit biy blb ble bli bll blo blt bly bob boe boi bol boo bot boy btb bte bti btl bto btt bty by- bye byi byl byo byt ebb ebe ebi ebl ebo ebt eby eeb eee eel eeo eet eey eib eie eii eil eio eit elb ele eli ell elo elt ely eo- eob eoe eoi eol eoo eot etb ete eti etl eto ett ety eye eyl eyo eyt ibb ibe ibi ibl ibo ibt iby ie- iee iei iel iet iey iib iie iii iil iio iit il- ilb ile ili ill ilo ilt ily io- iob ioe ioi iol ioo iot itb ite iti itl ito itt ity iye iyo iyt iyy lbb lbe lbi lbl lbo lbt leb lee lei lel leo let ley lib lie lii lil lio lit llb lle lli lll llo llt lly lob loe loi lol loo lot loy ltb lte lti ltl lto ltt lye lyl lyo lyt o-i ob- obb obe obi obl obo obt oby oeb oee oei oel oeo oet oey oib oie oii oil oio oit olb ole oli oll olo olt oly oo- oob ooi ool ooo oot ot- otb ote oti otl oto ott oye oyi oyl oyo tbb tbe tbi tbl tbo tbt te- teb tee tei tel teo tet tey tib tie tii til tio tit tiy tle tli tll tlo tlt to- tob toe toi tol too tot toy ttb tte tti ttl tto ttt tty tye tyl tyo tyt ybe ybi ybl yby yeb yee yei yel yeo yet yey yie yii yio yit yle yli yll ylt yly yob yoe yoi yol yoo yot yoy yte ytl yto ytt yyb yye yyt yyy