-er -th b-u bbb bbc bbe bbg bbh bbl bbm bbn bbr bbs bbt bbu bcb bcc bce bcg bch bcl bcm bcn bcr bcs bct bcu be- beb bec bee beg beh bel bem ben ber bes bet beu bgb bgc bge bgg bgh bgl bgm bgn bgr bgs bgt bgu bhb bhc bhe bhg bhh bhl bhm bhr bhs bht bhu blb blc ble blg blh bll blm bln blr bls blt blu bmb bmc bme bmg bmh bml bmm bmn bmr bms bmt bmu bnb bnc bne bng bnl bnn bnr bns bnt bnu brb bre brg brh brl brm brn brr brs brt bru bsb bsc bse bsg bsh bsl bsm bsn bsr bss bst bsu btb btc bte btg bth btl btm btn btr bts btt btu bub buc bue bug buh bul bum bun bur bus but buu c-- cbb cbc cbe cbg cbh cbl cbm cbn cbr cbs cbt cbu ccb ccc cce ccg cch ccl ccm ccn ccr ccs cct ccu ce- ceb cec cee ceg ceh cel cem cen cer ces cet ceu cgb cgc cge cgg cgh cgl cgm cgn cgr cgs cgt cgu ch- chb chc che chg chh chl chm chn chr chs cht chu cl- clb clc cle clg clh cll clm cln clr cls clt clu cmb cmc cme cmg cmh cml cmm cmn cmr cms cmt cmu cn- cnb cnc cne cng cnh cnl cnm cnn cnr cns cnt cnu crb crc cre crg crh crl crm crn crr crs crt cru csb csc cse csg csh csl csm csn csr css cst csu ctb ctc cte ctg cth ctl ctm ctn ctr cts ctt ctu cub cuc cue cug cuh cul cum cun cur cus cut cuu ebb ebc ebe ebg ebh ebl ebm ebn ebr ebs ebt ebu ec- ecb ecc ece ecg ech ecl ecm ecn ecr ecs ect ecu eeb eec eee eeg eel eem een eer ees eet egb egc ege egg egh egl egm egn egr egs egt egu ehb ehc ehe ehg ehh ehl ehm ehn ehr ehs eht ehu elb elc ele elg elh ell elm eln elr els elt elu em- emb emc eme emg emh eml emm emn emr ems emt emu en- enb enc ene eng enh enl enm enn enr ens ent enu erb erc ere erg erh erl erm ern err ers ert eru es- esb esc ese esg esh esl esm esn esr ess est esu etb etc ete etg eth etl etm etn etr ets ett etu eu- eub euc eue eug eul eun eur eus eut gbc gbe gbg gbh gbl gbm gbn gbr gbs gbt gbu gcb gcc gce gcg gch gcl gcm gcn gcr gcs gct gcu ge- geb gec gee geg geh gel gem gen ger ges get geu ggb ggc ggg ggh ggm ggn ggr ggs ggt ggu ghb ghc ghe ghg ghh ghl ghn ghr ghs ght glb glc gle glg glh gll glm gln glr gls glt glu gmb gmc gme gmg gmh gml gmm gmn gmr gms gmt gnb gnc gne gnl gnm gnn gnr gns gnt gnu grb grc gre grg grh grl grm grn grr grs grt gru gsb gsc gse gsg gsl gsm gsn gsr gss gst gsu gtb gtc gte gtg gth gtl gtm gtn gtr gts gtt gtu gu- gub guc gue gug gul gum gun gur gus gut guu hbb hbc hbe hbg hbh hbl hbm hbn hbr hbs hbt hbu hcb hcc hce hcg hch hcl hcm hcn hcr hcs hct he- heb hec hee heg heh hel hem hen her hes het heu hgb hgc hge hgg hgh hgl hgm hgn hgr hgs hgt hgu hhb hhc hhe hhg hhh hhl hhm hhn hhr hhs hht hhu hlb hlc hle hlg hlh hll hlm hln hlr hls hlt hlu hmb hmc hme hmg hmh hml hmm hmr hms hmt hmu hnb hnc hne hng hnh hnl hnn hns hnt hnu hr- hrb hrc hre hrg hrh hrl hrm hrn hrr hrs hrt hru hsb hsc hse hsg hsh hsl hsm hsn hsr hss hst hsu htb htc hte htg hth htl htm htn htr hts htt hub huc hue hug huh hul hum hun hur hus hut huu lbb lbc lbe lbg lbh lbl lbm lbr lbs lbt lbu lcb lcc lce lcg lch lcl lcm lcn lcr lcs lct lcu leb lec lee leg leh lel lem len ler les let leu lgb lgc lge lgg lgh lgl lgm lgn lgr lgs lgt lgu lhb lhc lhh lhr lhs lht lhu llb llc lle llg lll llm lln llr lls llt llu lmb lmc lme lmg lmh lml lmm lmn lmr lms lmt lmu lnb lnc lne lng lnh lnl lnm lnn lnr lns lnt lnu lrb lrc lrg lrh lrm lrn lrr lrs lrt lru lsb lsc lse lsg lsh lsl lsm lsn lsr lss lst lsu ltb ltc lte ltg lth ltl ltm ltr lts ltt ltu lub luc lue lug luh lul lum lun lur lus lut luu m-r mbb mbc mbe mbg mbh mbl mbm mbr mbs mbt mbu mc- mcb mcc mce mcg mch mcl mcm mcn mcr mcs mct mcu meb mec mee meg meh mel mem men mer mes met meu mgb mgc mge mgh mgl mgm mgn mgr mgs mgt mgu mhc mhg mhh mhl mhm mhn mhr mhs mht mhu mlb mlc mle mlg mlh mll mlm mln mlr mls mlt mlu mmb mmc mme mmg mmh mml mmm mmn mmr mms mmt mmu mnb mnc mne mng mnl mnm mnn mnr mns mnt mnu mrb mrc mre mrg mrh mrl mrm mrn mrr mrs mrt mru msb msc mse msg msh msl msm msn msr mss mst msu mtb mtc mte mtg mth mtl mtm mtn mtr mts mtt mtu mub muc mue mug muh mul mum mun mur mus mut muu nbb nbc nbe nbg nbl nbm nbn nbr nbs nbt nbu