-er -th b-u bbb bbc bbe bbg bbh bbk bbn bbr bbs bbt bbu bcb bcc bce bcg bch bck bcn bcr bcs bct bcu be- beb bec bee beg beh bek ben ber bes bet beu bgb bgc bge bgg bgh bgk bgn bgr bgs bgt bgu bhb bhc bhe bhg bhh bhk bhr bhs bht bhu bkb bkc bke bkg bkk bkn bkr bks bkt bnb bnc bne bng bnk bnn bnr bns bnt bnu brb bre brg brh brk brn brr brs brt bru bsb bsc bse bsg bsh bsk bsn bsr bss bst bsu btb btc bte btg bth btk btn btr bts btt btu bub buc bue bug buh buk bun bur bus but buu c-- cbb cbc cbe cbg cbh cbk cbn cbr cbs cbt cbu ccb ccc cce ccg cch cck ccn ccr ccs cct ccu ce- ceb cec cee ceg ceh cek cen cer ces cet ceu cgb cgc cge cgg cgh cgn cgr cgs cgt cgu ch- chb chc che chg chh chk chn chr chs cht chu ckb ckc ckh cks ckt cn- cnb cnc cne cng cnh cnn cnr cns cnt cnu crb crc cre crg crh crk crn crr crs crt cru csb csc cse csg csh csk csn csr css cst csu ctb ctc cte ctg cth ctk ctn ctr cts ctt ctu cub cuc cue cug cuh cuk cun cur cus cut cuu ebb ebc ebe ebg ebh ebk ebn ebr ebs ebt ebu ec- ecb ecc ece ecg ech eck ecn ecr ecs ect ecu eeb eec eee eeg eek een eer ees eet egb egc ege egg egh egn egr egs egt egu ehb ehc ehe ehg ehh ehn ehr ehs eht ehu ekb ekc eke ekg ekh ekr eks ekt eku en- enb enc ene eng enh enk enn enr ens ent enu erb erc ere erg erh erk ern err ers ert eru es- esb esc ese esg esh esk esn esr ess est esu etb etc ete etg eth etk etn etr ets ett etu eu- eub euc eue eug eun eur eus eut gbc gbe gbg gbh gbk gbn gbr gbs gbt gbu gcb gcc gce gcg gch gck gcn gcr gcs gct gcu ge- geb gec gee geg geh gek gen ger ges get geu ggb ggc ggg ggh ggn ggr ggs ggt ggu ghb ghc ghe ghg ghh ghn ghr ghs ght gkb gkh gkn gks gkt gnb gnc gne gnn gnr gns gnt gnu grb grc gre grg grh grk grn grr grs grt gru gsb gsc gse gsg gsk gsn gsr gss gst gsu gtb gtc gte gtg gth gtk gtn gtr gts gtt gtu gu- gub guc gue gug guk gun gur gus gut guu hbb hbc hbe hbg hbh hbk hbn hbr hbs hbt hbu hcb hcc hce hcg hch hck hcn hcr hcs hct he- heb hec hee heg heh hek hen her hes het heu hgb hgc hge hgg hgh hgk hgn hgr hgs hgt hgu hhb hhc hhe hhg hhh hhk hhn hhr hhs hht hhu hkb hkg hkh hkk hkn hkr hks hkt hku hnb hnc hne hng hnh hnk hnn hns hnt hnu hr- hrb hrc hre hrg hrh hrk hrn hrr hrs hrt hru hsb hsc hse hsg hsh hsk hsn hsr hss hst hsu htb htc hte htg hth htk htn htr hts htt hub huc hue hug huh huk hun hur hus hut huu k-t kbb kbc kbe kbh kbk kbn kbr kbs kbu kcb kcc kce kcg kch kck kcn kcr kcs kct kcu ke- keb kec kee keg keh kek ken ker kes ket kgb kgc kgh kgs kgu khe khh khk khn khr khs khu kkb kkc kke kkh kkk kkn kkr kks kkt kku kn- knc kne kng knk knn knr knt knu krc krg krk krn krr krs krt kru ksb ksc kse ksg ksh ksk ksn ksr kss kst ksu ktb ktc kte ktg kth ktk ktn ktr kts ktt ktu kub kuc kue kug kuh kuk kun kur kus kut kuu nbb nbc nbe nbg nbk nbn nbr nbs nbt nbu ncb ncc nce ncg nch nck ncn ncr ncs nct ncu ne- neb nec nee neg neh nek nen ner nes net neu ngb ngc nge ngg ngh ngk ngn ngs ngt ngu nhb nhc nhe nhg nhh nhk nhn nhr nhs nht nhu nkc nke nkk nkn nkr nks nkt nku nnb nnc nne nng nnh nnk nnn nns nnt nnu nrb nrc nre nrg nrk nrn nrr nrs nrt nru nsb nsc nse nsg nsh nsk nsn nsr nss nst nsu ntb ntc nte ntg nth ntk ntn ntr nts ntt ntu nub nuc nue nug nuh nuk nun nur nus nut nuu rbb rbc rbe rbg rbh rbk rbn rbr rbs rbt rbu rcb rcc rce rcg rch rcn rcr rcs rct rcu re- reb rec ree reg reh rek ren rer res ret reu rgb rgc rge rgg rgh rgk rgn rgr rgs rgt rh- rhb rhc rhe rhg rhh rhn rhr rhs rht rhu rkb rkc rke rkg rkk rks rkt rku rnb rnc rng rnh rnn rnr rns rnt rnu rrb rrc rrg rrh rrk rrn rrr rrs rrt rru rsb rsc rse rsg rsh rsk rsn rsr rss rst rsu rtb rtc rte rtg rtk rtn rtr rts rtt rtu rub ruc rue rug ruh ruk run rur rus rut ruu sbb sbc sbe sbg sbh sbk sbn sbr sbs sbt sbu scb scc sce scg sch sck scn scr scs sct scu se- seb sec see seg seh sek sen ser ses set seu sgb sgc sge sgg sgh sgk sgn sgr sgs sgt sgu sh- shb shc she shg shh shk shn shr shs sht shu sk- skb skc ske skg skh skk skr sks skt sku snb snc sne sng snk snn snr sns snt snu sr- srb src sre srg srh srk srn srr srs srt ss-