-er -ol bbb bbe bbg bbl bbn bbo bbr bbs bbt be- beb bee beg bel ben beo ber bes bet bgb bge bgg bgl bgn bgo bgr bgs bgt blb ble blg bll bln blo blr bls blt bnb bne bng bnl bnn bno bnr bns bnt bob boe bog bol bon boo bor bos bot brb bre brg brl brn bro brr brs brt bsb bse bsg bsl bsn bso bsr bss bst btb bte btg btl btn bto btr bts btt ebb ebe ebg ebl ebn ebo ebr ebs ebt eeb eee eeg eel een eeo eer ees eet egb ege egg egl egn ego egr egs egt elb ele elg ell eln elo elr els elt en- enb ene eng enl enn eno enr ens ent eo- eob eoe eog eol eon eoo eor eos eot erb ere erg erl ern ero err ers ert es- esb ese esg esl esn eso esr ess est etb ete etg etl etn eto etr ets ett gbe gbg gbl gbn gbo gbr gbs gbt ge- geb gee geg gel gen geo ger ges get ggb ggg ggn ggo ggr ggs ggt glb gle glg gll gln glo glr gls glt gnb gne gnl gnn gno gnr gns gnt gob goe gog gol gon goo gor gos got grb gre grg grl grn gro grr grs grt gsb gse gsg gsl gsn gso gsr gss gst gtb gte gtg gtl gtn gto gtr gts gtt lbb lbe lbg lbl lbo lbr lbs lbt leb lee leg lel len leo ler les let lgb lge lgg lgl lgn lgo lgr lgs lgt llb lle llg lll lln llo llr lls llt lnb lne lng lnl lnn lno lnr lns lnt lob loe log lol lon loo lor los lot lrb lrg lrn lro lrr lrs lrt lsb lse lsg lsl lsn lso lsr lss lst ltb lte ltg ltl lto ltr lts ltt nbb nbe nbg nbl nbn nbo nbr nbs nbt ne- neb nee neg nel nen neo ner nes net ngb nge ngg ngl ngn ngo ngs ngt nlb nle nlg nll nln nlo nlr nls nlt nnb nne nng nnl nnn nno nns nnt no- nob noe nog nol non noo nor nos not nrb nre nrg nrl nrn nro nrr nrs nrt nsb nse nsg nsl nsn nso nsr nss nst ntb nte ntg ntn nto ntr nts ntt ob- obb obe obg obl obn obo obr obs obt oeb oee oeg oel oen oeo oer oes oet oge ogg ogl ogn ogo ogs ogt olb ole olg oll oln olo ols olt on- onb one ong onl onn ono onr ons ont oo- oob oog ool oon ooo oor oos oot or- orb ore org orl orn oro orr ors ort os- osb ose osg osl osn oso osr oss ost ot- otb ote otg otl otn oto otr ots ott rbb rbe rbg rbl rbn rbo rbr rbs rbt re- reb ree reg rel ren reo rer res ret rgb rge rgg rgn rgo rgr rgs rgt rle rlg rll rln rlo rlr rls rlt rnb rng rnn rno rnr rns rnt rob roe rog rol ron roo ror ros rot rrb rrg rrl rrn rrr rrs rrt rsb rse rsg rsl rsn rso rsr rss rst rtb rte rtg rtl rtn rto rtr rts rtt sbb sbe sbg sbl sbn sbo sbr sbs sbt se- seb see seg sel sen seo ser ses set sgb sge sgg sgl sgn sgo sgr sgs sgt slb sle slg sll sln slo slr sls slt snb sne sng snl snn sno snr sns snt sob soe sog sol son soo sor sos sot sr- srb sre srg srl srn sro srr srs srt ss- ssb sse ssg ssl ssn sso ssr sss sst stb ste stg stl stn sto str sts stt tbb tbe tbg tbl tbn tbo tbr tbs tbt te- teb tee teg tel ten teo ter tes tet tgb tge tgg tgl tgn tgo tgr tgs tgt tle tlg tll tln tlo tlr tls tlt tnb tne tng tnl tnn tno tnr tns tnt to- tob toe tog tol ton too tor tos tot trb tre trg trl trn tro trr trs trt tsb tse tsg tsl tsn tso tsr tss tst ttb tte ttg ttl ttn tto ttr tts ttt