-ol b-p bbb bbe bbi bbl bbo bbp bbt be- beb bee bei bel beo bep bet bi- bib bie bii bil bio bip bit blb ble bli bll blo blp blt bob boe boi bol boo bop bot bpb bpe bpi bpl bpo bpp bpt btb bte bti btl bto btp btt ebb ebe ebi ebl ebo ebp ebt eeb eee eel eeo eep eet eib eie eii eil eio eip eit elb ele eli ell elo elp elt eo- eob eoe eoi eol eoo eop eot ep- epb epe epi epl epo epp ept etb ete eti etl eto etp ett ibb ibe ibi ibl ibo ibp ibt ie- iee iei iel iep iet iib iie iii iil iio iip iit il- ilb ile ili ill ilo ilp ilt io- iob ioe ioi iol ioo iop iot ipb ipe ipi ipl ipo ipp ipt itb ite iti itl ito itp itt l-p lbb lbe lbi lbl lbo lbp lbt leb lee lei lel leo lep let lib lie lii lil lio lip lit llb lle lli lll llo llp llt lob loe loi lol loo lop lot lpb lpe lpi lpl lpo lpp lpt ltb lte lti ltl lto ltp ltt o-i ob- obb obe obi obl obo obp obt oeb oee oei oel oeo oep oet oib oie oii oil oio oip oit olb ole oli oll olo olp olt oo- oob ooi ool ooo oop oot op- opb ope opi opl opo opp opt ot- otb ote oti otl oto otp ott p-p pbb pbe pbi pbl pbo pbp pbt peb pee pei pel peo pep pet pib pie pii pil pio pip pit plb ple pli pll plo plp plt pob poe poi pol poo pop pot ppb ppe ppi ppl ppo ppp ppt pt- ptb pte pti ptl pto ptp ptt tbb tbe tbi tbl tbo tbp tbt te- teb tee tei tel teo tep tet tib tie tii til tio tip tit tle tli tll tlo tlp tlt to- tob toe toi tol too top tot tpb tpe tpi tpl tpo tpp tpt ttb tte tti ttl tto ttp ttt