-er -th b-u bbb bbc bbe bbg bbh bbm bbo bbr bbs bbt bbu bcb bcc bce bcg bch bcm bco bcr bcs bct bcu be- beb bec bee beg beh bem beo ber bes bet beu bgb bgc bge bgg bgh bgm bgo bgr bgs bgt bgu bhb bhc bhe bhg bhh bhm bho bhr bhs bht bhu bmb bmc bme bmg bmh bmm bmo bmr bms bmt bmu bob boc boe bog boh bom boo bor bos bot bou brb bre brg brh brm bro brr brs brt bru bsb bsc bse bsg bsh bsm bso bsr bss bst bsu btb btc bte btg bth btm bto btr bts btt btu bub buc bue bug buh bum buo bur bus but buu c-- cbb cbc cbe cbg cbh cbm cbo cbr cbs cbt cbu ccb ccc cce ccg cch ccm cco ccr ccs cct ccu ce- ceb cec cee ceg ceh cem ceo cer ces cet ceu cgb cgc cge cgg cgh cgm cgo cgr cgs cgt cgu ch- chb chc che chg chh chm cho chr chs cht chu cmb cmc cme cmg cmh cmm cmo cmr cms cmt cmu co- cob coc coe cog coh com coo cor cos cot cou crb crc cre crg crh crm cro crr crs crt cru csb csc cse csg csh csm cso csr css cst csu ctb ctc cte ctg cth ctm cto ctr cts ctt ctu cub cuc cue cug cuh cum cuo cur cus cut cuu ebb ebc ebe ebg ebh ebm ebo ebr ebs ebt ebu ec- ecb ecc ece ecg ech ecm eco ecr ecs ect ecu eeb eec eee eeg eem eeo eer ees eet egb egc ege egg egh egm ego egr egs egt egu ehb ehc ehe ehg ehh ehm eho ehr ehs eht ehu em- emb emc eme emg emh emm emo emr ems emt emu eo- eob eoc eoe eog eoh eom eoo eor eos eot eou erb erc ere erg erh erm ero err ers ert eru es- esb esc ese esg esh esm eso esr ess est esu etb etc ete etg eth etm eto etr ets ett etu eu- eub euc eue eug eur eus eut gbc gbe gbg gbh gbm gbo gbr gbs gbt gbu gcb gcc gce gcg gch gcm gco gcr gcs gct gcu ge- geb gec gee geg geh gem geo ger ges get geu ggb ggc ggg ggh ggm ggo ggr ggs ggt ggu ghb ghc ghe ghg ghh gho ghr ghs ght gmb gmc gme gmg gmh gmm gmo gmr gms gmt gob goc goe gog goh gom goo gor gos got gou grb grc gre grg grh grm gro grr grs grt gru gsb gsc gse gsg gsm gso gsr gss gst gsu gtb gtc gte gtg gth gtm gto gtr gts gtt gtu gu- gub guc gue gug gum guo gur gus gut guu hbb hbc hbe hbg hbh hbm hbo hbr hbs hbt hbu hcb hcc hce hcg hch hcm hco hcr hcs hct he- heb hec hee heg heh hem heo her hes het heu hgb hgc hge hgg hgh hgm hgo hgr hgs hgt hgu hhb hhc hhe hhg hhh hhm hho hhr hhs hht hhu hmb hmc hme hmg hmh hmm hmo hmr hms hmt hmu hob hoc hoe hog hoh hom hoo hor hos hot hou hr- hrb hrc hre hrg hrh hrm hro hrr hrs hrt hru hsb hsc hse hsg hsh hsm hsr hss hst hsu htb htc hte htg hth htm hto htr hts htt hub huc hue hug huh hum huo hur hus hut huu m-o m-r mbb mbc mbe mbg mbh mbm mbo mbr mbs mbt mbu mc- mcb mcc mce mcg mch mcm mco mcr mcs mct mcu meb mec mee meg meh mem meo mer mes met meu mgb mgc mge mgh mgm mgo mgr mgs mgt mgu mhc mhg mhh mhm mho mhr mhs mht mhu mmb mmc mme mmg mmh mmm mmo mmr mms mmt mmu mob moc moe mog moh mom moo mor mos mot mou mrb mrc mre mrg mrh mrm mro mrr mrs mrt mru msb msc mse msg msh msm mso msr mss mst msu mtb mtc mte mtg mth mtm mto mtr mts mtt mtu mub muc mue mug muh mum mur mus mut muu ob- obb obc obe obg obh obm obo obr obs obt obu oc- ocb occ ocg och ocm oco ocr ocs oct ocu oeb oec oee oeg oeh oem oeo oer oes oet ogc oge ogg ogh ogo ogs ogt ohc ohe ohg ohh ohm oho ohr ohs oht ohu om- omb omc ome omg omh omm omo omr oms omt omu oo- oob ooc oog ooh oom ooo oor oos oot or- orb orc ore org orh orm oro orr ors ort oru os- osb osc ose osg osh osm oso osr oss ost osu ot- otb otc ote otg oth otm oto otr ots ott otu ou- ouc oue ouh oum ouo our ous out rbb rbc rbe rbg rbh rbm rbo rbr rbs rbt rbu rcb rcc rce rcg rch rcm rco rcr rcs rct rcu re- reb rec ree reg reh rem reo rer res ret reu rgb rgc rge rgg rgh rgo rgr rgs rgt rh- rhb rhc rhe rhg rhh rhm rho rhr rhs rht rhu rmb rmc rme rmg rmh rmm rmo rmr rms rmt rob roc roe rog roh rom roo ror ros rot rou rrb rrc rrg rrh rrm rrr rrs rrt rru rsb rsc rse rsg rsh rsm rso rsr rss rst rsu rtb rtc rte rtg rtm rto rtr rts rtt rtu rub ruc rue rug ruh rum ruo rur rus rut ruu sbb sbc sbe sbg sbh sbm sbo sbr sbs sbt sbu scb scc sce scg sch scm sco scr scs sct scu se- seb sec see seg seh sem seo ser ses set seu sgb sgc sge sgg sgh sgm sgo