-er b-u bbb bbe bbg bbl bbm bbn bbr bbs bbt bbu be- beb bee beg bel bem ben ber bes bet beu bgb bge bgg bgl bgm bgn bgr bgs bgt bgu blb ble blg bll blm bln blr bls blt blu bmb bme bmg bml bmm bmn bmr bms bmt bmu bnb bne bng bnl bnn bnr bns bnt bnu brb bre brg brl brm brn brr brs brt bru bsb bse bsg bsl bsm bsn bsr bss bst bsu btb bte btg btl btm btn btr bts btt btu bub bue bug bul bum bun bur bus but buu ebb ebe ebg ebl ebm ebn ebr ebs ebt ebu eeb eee eeg eel eem een eer ees eet egb ege egg egl egm egn egr egs egt egu elb ele elg ell elm eln elr els elt elu em- emb eme emg eml emm emn emr ems emt emu en- enb ene eng enl enm enn enr ens ent enu erb ere erg erl erm ern err ers ert eru es- esb ese esg esl esm esn esr ess est esu etb ete etg etl etm etn etr ets ett etu eu- eub eue eug eul eun eur eus eut gbe gbg gbl gbm gbn gbr gbs gbt gbu ge- geb gee geg gel gem gen ger ges get geu ggb ggg ggm ggn ggr ggs ggt ggu glb gle glg gll glm gln glr gls glt glu gmb gme gmg gml gmm gmn gmr gms gmt gnb gne gnl gnm gnn gnr gns gnt gnu grb gre grg grl grm grn grr grs grt gru gsb gse gsg gsl gsm gsn gsr gss gst gsu gtb gte gtg gtl gtm gtn gtr gts gtt gtu gu- gub gue gug gul gum gun gur gus gut guu lbb lbe lbg lbl lbm lbr lbs lbt lbu leb lee leg lel lem len ler les let leu lgb lge lgg lgl lgm lgn lgr lgs lgt lgu llb lle llg lll llm lln llr lls llt llu lmb lme lmg lml lmm lmn lmr lms lmt lmu lnb lne lng lnl lnm lnn lnr lns lnt lnu lrb lrg lrm lrn lrr lrs lrt lru lsb lse lsg lsl lsm lsn lsr lss lst lsu ltb lte ltg ltl ltm ltr lts ltt ltu lub lue lug lul lum lun lur lus lut luu m-r mbb mbe mbg mbl mbm mbr mbs mbt mbu meb mee meg mel mem men mer mes met meu mgb mge mgl mgm mgn mgr mgs mgt mgu mlb mle mlg mll mlm mln mlr mls mlt mlu mmb mme mmg mml mmm mmn mmr mms mmt mmu mnb mne mng mnl mnm mnn mnr mns mnt mnu mrb mre mrg mrl mrm mrn mrr mrs mrt mru msb mse msg msl msm msn msr mss mst msu mtb mte mtg mtl mtm mtn mtr mts mtt mtu mub mue mug mul mum mun mur mus mut muu nbb nbe nbg nbl nbm nbn nbr nbs nbt nbu ne- neb nee neg nel nem nen ner nes net neu ngb nge ngg ngl ngm ngn ngs ngt ngu nlb nle nlg nll nlm nln nlr nls nlt nlu nmb nme nmg nml nmm nmn nmr nms nmt nmu nnb nne nng nnl nnm nnn nns nnt nnu nrb nre nrg nrl nrm nrn nrr nrs nrt nru nsb nse nsg nsl nsm nsn nsr nss nst nsu ntb nte ntg ntm ntn ntr nts ntt ntu nub nue nug nul num nun nur nus nut nuu rbb rbe rbg rbl rbm rbn rbr rbs rbt rbu re- reb ree reg rel rem ren rer res ret reu rgb rge rgg rgn rgr rgs rgt rle rlg rll rlm rln rlr rls rlt rlu rmb rme rmg rml rmm rmn rmr rms rmt rnb rng rnm rnn rnr rns rnt rnu rrb rrg rrl rrm rrn rrr rrs rrt rru rsb rse rsg rsl rsm rsn rsr rss rst rsu rtb rte rtg rtl rtm rtn rtr rts rtt rtu rub rue rug rum run rur rus rut ruu sbb sbe sbg sbl sbm sbn sbr sbs sbt sbu se- seb see seg sel sem sen ser ses set seu sgb sge sgg sgl sgm sgn sgr sgs sgt sgu slb sle slg sll slm sln slr sls slt slu smb sme smg sml smm smn smr sms smt smu snb sne sng snl snm snn snr sns snt snu sr- srb sre srg srl srm srn srr srs srt ss- ssb sse ssg ssl ssm ssn ssr sss sst ssu stb ste stg stl stm stn str sts stt stu sub sue sug sul sum sun sur sus sut suu tbb tbe tbg tbl tbm tbn tbr tbs tbt tbu te- teb tee teg tel tem ten ter tes tet teu tgb tge tgg tgl tgm tgn tgr tgs tgt tgu tle tlg tll tlm tln tlr tls tlt tlu tmb tme tmg tml tmm tmn tmr tms tmt tmu tnb tne tng tnl tnm tnn tnr tns tnt trb tre trg trl trm trn trr trs trt tru tsb tse tsg tsl tsm tsn tsr tss tst tsu ttb tte ttg ttl ttm ttn ttr tts ttt ttu tub tue tug tul tum tun tur tus tut tuu ubb ube ubg ubl ubn ubr ubs ubt ubu ueb uee ueg uel uem uen uer ues uet ugb uge ugg ugl ugm ugn ugr ugs ugt ugu ulb ule ulg ull ulm uln ulr uls ult ulu um- umb ume umg uml umm umn umr ums umt umu un- unb une ung unl unm unn unr uns unt unu ur- urb ure urg url urm urn urr urs urt uru usb use usg usl usm usn usr uss ust usu utb ute utl utm utn utr uts utt utu uue uug uum uun uur uus uut uuu