-ol -up b-p b-u bbb bbd bbe bbl bbo bbp bbt bbu bdb bdd bde bdl bdo bdp bdt bdu be- beb bed bee bel beo bep bet beu blb bld ble bll blo blp blt blu bob bod boe bol boo bop bot bou bpb bpd bpe bpl bpo bpp bpt bpu btb btd bte btl bto btp btt btu bub bud bue bul buo bup but buu dbb dbd dbe dbl dbo dbp dbt dbu ddb ddd dde ddl ddo ddp ddt ddu de- deb ded dee del deo dep det deu dl- dlb dld dle dll dlo dlp dlt dlu dob dod doe dol doo dop dot dou dpb dpd dpe dpl dpo dpp dpt dpu dtb dtd dte dtl dto dtp dtt dtu dub dud due dul duo dup dut ebb ebd ebe ebl ebo ebp ebt ebu ed- edb edd ede edl edo edp edt edu eeb eed eee eel eeo eep eet elb eld ele ell elo elp elt elu eo- eob eod eoe eol eoo eop eot eou ep- epb epd epe epl epo epp ept epu etb etd ete etl eto etp ett etu eu- eub eud eue eul eup eut l-p lbb lbd lbe lbl lbo lbp lbt lbu ldb ldd lde ldl ldo ldp ldt ldu leb led lee lel leo lep let leu llb lld lle lll llo llp llt llu lob lod loe lol loo lop lot lou lpb lpd lpe lpl lpo lpp lpt lpu ltb ltd lte ltl lto ltp ltt ltu lub lud lue lul luo lup lut luu ob- obb obd obe obl obo obp obt obu odb odd ode odl odo odp odt odu oeb oed oee oel oeo oep oet olb old ole oll olo olp olt olu oo- oob ood ool ooo oop oot op- opb opd ope opl opo opp opt ot- otb otd ote otl oto otp ott otu ou- oud oue oul ouo oup out p-p pbb pbd pbe pbl pbo pbp pbt pbu pdb pdd pde pdl pdo pdp pdt pdu peb ped pee pel peo pep pet peu plb pld ple pll plo plp plt plu pob pod poe pol poo pop pot pou ppb ppd ppe ppl ppo ppp ppt ppu pt- ptb ptd pte ptl pto ptp ptt ptu pub pud pue pul pup put puu tbb tbd tbe tbl tbo tbp tbt tbu tdb tdd tde tdl tdo tdp tdt tdu te- teb ted tee tel teo tep tet teu tld tle tll tlo tlp tlt tlu to- tob tod toe tol too top tot tou tpb tpd tpe tpl tpo tpp tpt tpu ttb ttd tte ttl tto ttp ttt ttu tub tud tue tul tuo tup tut tuu ubb ube ubl ubo ubp ubt ubu udb udd ude udl udo udp udt udu ueb ued uee uel uep uet ulb uld ule ull ulo ulp ult ulu uob uod uoe uol uoo uop uot up- upb upd upe upo upp upt upu utb utd ute utl uto utp utt utu uue uut uuu