-ol b-p bbb bbe bbl bbn bbo bbp bbs bbt be- beb bee bel ben beo bep bes bet blb ble bll bln blo blp bls blt bnb bne bnl bnn bno bnp bns bnt bob boe bol bon boo bop bos bot bpb bpe bpl bpn bpo bpp bps bpt bsb bse bsl bsn bso bsp bss bst btb bte btl btn bto btp bts btt ebb ebe ebl ebn ebo ebp ebs ebt eeb eee eel een eeo eep ees eet elb ele ell eln elo elp els elt en- enb ene enl enn eno enp ens ent eo- eob eoe eol eon eoo eop eos eot ep- epb epe epl epn epo epp eps ept es- esb ese esl esn eso esp ess est etb ete etl etn eto etp ets ett l-p lbb lbe lbl lbo lbp lbs lbt leb lee lel len leo lep les let llb lle lll lln llo llp lls llt lnb lne lnl lnn lno lnp lns lnt lob loe lol lon loo lop los lot lpb lpe lpl lpn lpo lpp lps lpt lsb lse lsl lsn lso lsp lss lst ltb lte ltl lto ltp lts ltt nbb nbe nbl nbn nbo nbp nbs nbt ne- neb nee nel nen neo nep nes net nlb nle nll nln nlo nlp nls nlt nnb nne nnl nnn nno nnp nns nnt no- nob noe nol non noo nop nos not npb npe npl npn npo npp nps npt nsb nse nsl nsn nso nsp nss nst ntb nte ntn nto ntp nts ntt ob- obb obe obl obn obo obp obs obt oeb oee oel oen oeo oep oes oet olb ole oll oln olo olp ols olt on- onb one onl onn ono onp ons ont oo- oob ool oon ooo oop oos oot op- opb ope opl opn opo opp ops opt os- osb ose osl osn oso osp oss ost ot- otb ote otl otn oto otp ots ott p-p pbb pbe pbl pbn pbo pbp pbs pbt peb pee pel pen peo pep pes pet plb ple pll pln plo plp pls plt pn- pnb pne pnl pnn pno pnp pns pnt pob poe pol pon poo pop pos pot ppb ppe ppl ppn ppo ppp pps ppt ps- psb pse psl psn pso psp pss pst pt- ptb pte ptl ptn pto ptp pts ptt sbb sbe sbl sbn sbo sbp sbs sbt se- seb see sel sen seo sep ses set slb sle sll sln slo slp sls slt snb sne snl snn sno snp sns snt sob soe sol son soo sop sos sot spb spe spl spn spo spp sps spt ss- ssb sse ssl ssn sso ssp sss sst stb ste stl stn sto stp sts stt tbb tbe tbl tbn tbo tbp tbs tbt te- teb tee tel ten teo tep tes tet tle tll tln tlo tlp tls tlt tnb tne tnl tnn tno tnp tns tnt to- tob toe tol ton too top tos tot tpb tpe tpl tpn tpo tpp tps tpt tsb tse tsl tsn tso tsp tss tst ttb tte ttl ttn tto ttp tts ttt