-ol b-p bbb bbe bbi bbl bbo bbp be- beb bee bei bel beo bep bez bi- bib bie bii bil bio bip biz blb ble bli bll blo blp blz bob boe boi bol boo bop boz bpb bpe bpi bpl bpo bpp bze bzo bzp bzz ebb ebe ebi ebl ebo ebp eeb eee eel eeo eep eib eie eii eil eio eip elb ele eli ell elo elp elz eo- eob eoe eoi eol eoo eop ep- epb epe epi epl epo epp epz eze ezo ezz ibb ibe ibi ibl ibo ibp ibz ie- iee iei iel iep iib iie iii iil iio iip il- ilb ile ili ill ilo ilp ilz io- iob ioe ioi iol ioo iop ipb ipe ipi ipl ipo ipp ize izi izo izz l-p lbb lbe lbi lbl lbo lbp leb lee lei lel leo lep lez lib lie lii lil lio lip liz llb lle lli lll llo llp llz lob loe loi lol loo lop loz lpb lpe lpi lpl lpo lpp lpz lzi lzo o-i ob- obb obe obi obl obo obp oeb oee oei oel oeo oep oib oie oii oil oio oip oiz olb ole oli oll olo olp oo- oob ooi ool ooo oop op- opb ope opi opl opo opp oze ozo ozz p-p pbb pbe pbi pbl pbo pbp pbz peb pee pei pel peo pep pez pib pie pii pil pio pip piz plb ple pli pll plo plp plz pob poe poi pol poo pop poz ppb ppe ppi ppl ppo ppp ppz pzl pzp zbb zbl zeb zee zel zeo zep zez zib zie zil zio zip ziz zo- zob zoe zoi zol zoo zpe zpi zpl zpo zpp zzz