-ol b-p bbb bbd bbe bbl bbo bbp bbs bbt bdb bdd bde bdl bdo bdp bds bdt be- beb bed bee bel beo bep bes bet blb bld ble bll blo blp bls blt bob bod boe bol boo bop bos bot bpb bpd bpe bpl bpo bpp bps bpt bsb bsd bse bsl bso bsp bss bst btb btd bte btl bto btp bts btt dbb dbd dbe dbl dbo dbp dbs dbt ddb ddd dde ddl ddo ddp dds ddt de- deb ded dee del deo dep des det dl- dlb dld dle dll dlo dlp dls dlt dob dod doe dol doo dop dos dot dpb dpd dpe dpl dpo dpp dps dpt dsb dsd dse dsl dso dsp dss dst dtb dtd dte dtl dto dtp dts dtt ebb ebd ebe ebl ebo ebp ebs ebt ed- edb edd ede edl edo edp eds edt eeb eed eee eel eeo eep ees eet elb eld ele ell elo elp els elt eo- eob eod eoe eol eoo eop eos eot ep- epb epd epe epl epo epp eps ept es- esb esd ese esl eso esp ess est etb etd ete etl eto etp ets ett l-p lbb lbd lbe lbl lbo lbp lbs lbt ldb ldd lde ldl ldo ldp lds ldt leb led lee lel leo lep les let llb lld lle lll llo llp lls llt lob lod loe lol loo lop los lot lpb lpd lpe lpl lpo lpp lps lpt lsb lsd lse lsl lso lsp lss lst ltb ltd lte ltl lto ltp lts ltt ob- obb obd obe obl obo obp obs obt odb odd ode odl odo odp ods odt oeb oed oee oel oeo oep oes oet olb old ole oll olo olp ols olt oo- oob ood ool ooo oop oos oot op- opb opd ope opl opo opp ops opt os- osb osd ose osl oso osp oss ost ot- otb otd ote otl oto otp ots ott p-p pbb pbd pbe pbl pbo pbp pbs pbt pdb pdd pde pdl pdo pdp pds pdt peb ped pee pel peo pep pes pet plb pld ple pll plo plp pls plt pob pod poe pol poo pop pos pot ppb ppd ppe ppl ppo ppp pps ppt ps- psb psd pse psl pso psp pss pst pt- ptb ptd pte ptl pto ptp pts ptt sbb sbd sbe sbl sbo sbp sbs sbt sdb sdd sde sdl sdo sdp sds sdt se- seb sed see sel seo sep ses set slb sld sle sll slo slp sls slt sob sod soe sol soo sop sos sot spb spd spe spl spo spp sps spt ss- ssb ssd sse ssl sso ssp sss sst stb std ste stl sto stp sts stt tbb tbd tbe tbl tbo tbp tbs tbt tdb tdd tde tdl tdo tdp tds tdt te- teb ted tee tel teo tep tes tet tld tle tll tlo tlp tls tlt to- tob tod toe tol too top tos tot tpb tpd tpe tpl tpo tpp tps tpt tsb tsd tse tsl tso tsp tss tst ttb ttd tte ttl tto ttp tts ttt