-ol b-p bbb bbd bbe bbi bbl bbo bbp bbs bdb bdd bde bdi bdl bdo bdp bds be- beb bed bee bei bel beo bep bes bi- bib bid bie bii bil bio bip bis blb bld ble bli bll blo blp bls bob bod boe boi bol boo bop bos bpb bpd bpe bpi bpl bpo bpp bps bsb bsd bse bsi bsl bso bsp bss dbb dbd dbe dbi dbl dbo dbp dbs ddb ddd dde ddi ddl ddo ddp dds de- deb ded dee dei del deo dep des di- dib did die dii dil dio dip dis dl- dlb dld dle dli dll dlo dlp dls dob dod doe doi dol doo dop dos dpb dpd dpe dpi dpl dpo dpp dps dsb dsd dse dsi dsl dso dsp dss ebb ebd ebe ebi ebl ebo ebp ebs ed- edb edd ede edi edl edo edp eds eeb eed eee eel eeo eep ees eib eid eie eii eil eio eip eis elb eld ele eli ell elo elp els eo- eob eod eoe eoi eol eoo eop eos ep- epb epd epe epi epl epo epp eps es- esb esd ese esi esl eso esp ess i-d ibb ibd ibe ibi ibl ibo ibp ibs idb idd ide idi idl ido idp ids ie- ied iee iei iel iep ies iib iid iie iii iil iio iip iis il- ilb ild ile ili ill ilo ilp ils io- iob iod ioe ioi iol ioo iop ios ipb ipd ipe ipi ipl ipo ipp ips is- isb isd ise isi isl iso isp iss l-p lbb lbd lbe lbi lbl lbo lbp lbs ldb ldd lde ldi ldl ldo ldp lds leb led lee lei lel leo lep les lib lid lie lii lil lio lip lis llb lld lle lli lll llo llp lls lob lod loe loi lol loo lop los lpb lpd lpe lpi lpl lpo lpp lps lsb lsd lse lsi lsl lso lsp lss o-i ob- obb obd obe obi obl obo obp obs odb odd ode odi odl odo odp ods oeb oed oee oei oel oeo oep oes oib oid oie oii oil oio oip ois olb old ole oli oll olo olp ols oo- oob ood ooi ool ooo oop oos op- opb opd ope opi opl opo opp ops os- osb osd ose osi osl oso osp oss p-p pbb pbd pbe pbi pbl pbo pbp pbs pdb pdd pde pdi pdl pdo pdp pds peb ped pee pei pel peo pep pes pib pid pie pii pil pio pip pis plb pld ple pli pll plo plp pls pob pod poe poi pol poo pop pos ppb ppd ppe ppi ppl ppo ppp pps ps- psb psd pse psi psl pso psp pss sbb sbd sbe sbi sbl sbo sbp sbs sdb sdd sde sdi sdl sdo sdp sds se- seb sed see sei sel seo sep ses sib sid sie sii sil sio sip sis slb sld sle sli sll slo slp sls sob sod soe soi sol soo sop sos spb spd spe spi spl spo spp sps ss- ssb ssd sse ssi ssl sso ssp sss