-er -ol b-u bbb bbd bbe bbl bbn bbo bbr bbs bbt bbu bdb bdd bde bdl bdo bdr bds bdt bdu be- beb bed bee bel ben beo ber bes bet beu blb bld ble bll bln blo blr bls blt blu bnb bnd bne bnl bnn bno bnr bns bnt bnu bob bod boe bol bon boo bor bos bot bou brb brd bre brl brn bro brr brs brt bru bsb bsd bse bsl bsn bso bsr bss bst bsu btb btd bte btl btn bto btr bts btt btu bub bud bue bul bun buo bur bus but buu dbb dbd dbe dbl dbn dbo dbr dbs dbt dbu ddb ddd dde ddl ddn ddo ddr dds ddt ddu de- deb ded dee del den deo der des det deu dl- dlb dld dle dll dlo dlr dls dlt dlu dnb dnd dne dnl dnn dno dnr dns dnt dob dod doe dol don doo dor dos dot dou drb drd dre drl drn dro drr drs drt dru dsb dsd dse dsl dsn dso dsr dss dst dsu dtb dtd dte dtl dtn dto dtr dts dtt dtu dub dud due dul dun duo dur dus dut ebb ebd ebe ebl ebn ebo ebr ebs ebt ebu ed- edb edd ede edl edn edo edr eds edt edu eeb eed eee eel een eeo eer ees eet elb eld ele ell eln elo elr els elt elu en- enb end ene enl enn eno enr ens ent enu eo- eob eod eoe eol eon eoo eor eos eot eou erb erd ere erl ern ero err ers ert eru es- esb esd ese esl esn eso esr ess est esu etb etd ete etl etn eto etr ets ett etu eu- eub eud eue eul eun eur eus eut lbb lbd lbe lbl lbo lbr lbs lbt lbu ldb ldd lde ldl ldn ldo ldr lds ldt ldu leb led lee lel len leo ler les let leu llb lld lle lll lln llo llr lls llt llu lnb lnd lne lnl lnn lno lnr lns lnt lnu lob lod loe lol lon loo lor los lot lou lrb lrd lrn lro lrr lrs lrt lru lsb lsd lse lsl lsn lso lsr lss lst lsu ltb ltd lte ltl lto ltr lts ltt ltu lub lud lue lul lun luo lur lus lut luu nbb nbd nbe nbl nbn nbo nbr nbs nbt nbu ndb ndd nde ndl ndn ndo ndr nds ndt ndu ne- neb ned nee nel nen neo ner nes net neu nlb nld nle nll nln nlo nlr nls nlt nlu nnb nne nnl nnn nno nns nnt nnu no- nob nod noe nol non noo nor nos not nou nrb nrd nre nrl nrn nro nrr nrs nrt nru nsb nsd nse nsl nsn nso nsr nss nst nsu ntb ntd nte ntn nto ntr nts ntt ntu nub nud nue nul nun nuo nur nus nut nuu ob- obb obd obe obl obn obo obr obs obt obu odb odd ode odl odn odo odr ods odt odu oeb oed oee oel oen oeo oer oes oet olb old ole oll oln olo ols olt olu on- onb ond one onl onn ono onr ons ont onu oo- oob ood ool oon ooo oor oos oot or- orb ord ore orl orn oro orr ors ort oru os- osb osd ose osl osn oso osr oss ost osu ot- otb otd ote otl otn oto otr ots ott otu ou- oud oue oul oun ouo our ous out rbb rbd rbe rbl rbn rbo rbr rbs rbt rbu rdb rdd rde rdl rdn rdo rdr rds rdt rdu re- reb red ree rel ren reo rer res ret reu rld rle rll rln rlo rlr rls rlt rlu rnb rnd rnn rno rnr rns rnt rnu rob rod roe rol ron roo ror ros rot rou rrb rrd rrl rrn rrr rrs rrt rru rsb rsd rse rsl rsn rso rsr rss rst rsu rtb rtd rte rtl rtn rto rtr rts rtt rtu rub rud rue run ruo rur rus rut ruu sbb sbd sbe sbl sbn sbo sbr sbs sbt sbu sdb sdd sde sdl sdn sdo sdr sds sdt sdu se- seb sed see sel sen seo ser ses set seu slb sld sle sll sln slo slr sls slt slu snb snd sne snl snn sno snr sns snt snu sob sod soe sol son soo sor sos sot sou sr- srb srd sre srl srn sro srr srs srt ss- ssb ssd sse ssl ssn sso ssr sss sst ssu stb std ste stl stn sto str sts stt stu sub sud sue sul sun suo sur sus sut suu tbb tbd tbe tbl tbn tbo tbr tbs tbt tbu tdb tdd tde tdl tdn tdo tdr tds tdt tdu te- teb ted tee tel ten teo ter tes tet teu tld tle tll tln tlo tlr tls tlt tlu tnb tnd tne tnl tnn tno tnr tns tnt to- tob tod toe tol ton too tor tos tot tou trb trd tre trl trn tro trr trs trt tru tsb tsd tse tsl tsn tso tsr tss tst tsu ttb ttd tte ttl ttn tto ttr tts ttt ttu tub tud tue tul tun tuo tur tus tut tuu ubb ube ubl ubn ubo ubr ubs ubt ubu udb udd ude udl udn udo udr uds udt udu ueb ued uee uel uen uer ues uet ulb uld ule ull uln ulo ulr uls ult ulu un- unb und une unl unn uno unr uns unt unu uob uod uoe uol uon uoo uor uos uot ur- urb urd ure url urn uro urr urs urt uru usb usd use usl usn uso usr uss ust usu utb utd ute utl utn uto utr uts utt utu uue uun uur uus uut uuu