-er -ic -th b-u bbb bbc bbe bbg bbh bbi bbn bbr bbs bbt bbu bcb bcc bce bcg bch bci bcn bcr bcs bct bcu be- beb bec bee beg beh bei ben ber bes bet beu bgb bgc bge bgg bgh bgi bgn bgr bgs bgt bgu bhb bhc bhe bhg bhh bhi bhr bhs bht bhu bi- bib bic bie big bih bii bin bir bis bit biu bnb bnc bne bng bni bnn bnr bns bnt bnu brb bre brg brh bri brn brr brs brt bru bsb bsc bse bsg bsh bsi bsn bsr bss bst bsu btb btc bte btg bth bti btn btr bts btt btu bub buc bue bug buh bui bun bur bus but buu c-- cbb cbc cbe cbg cbh cbi cbn cbr cbs cbt cbu ccb ccc cce ccg cch cci ccn ccr ccs cct ccu ce- ceb cec cee ceg ceh cei cen cer ces cet ceu cgb cgc cge cgg cgh cgi cgn cgr cgs cgt cgu ch- chb chc che chg chh chi chn chr chs cht chu ci- cib cic cie cig cih cii cin cir cis cit ciu cn- cnb cnc cne cng cnh cni cnn cnr cns cnt cnu crb crc cre crg crh cri crn crr crs crt cru csb csc cse csg csh csi csn csr css cst csu ctb ctc cte ctg cth cti ctn ctr cts ctt ctu cub cuc cue cug cuh cui cun cur cus cut cuu ebb ebc ebe ebg ebh ebi ebn ebr ebs ebt ebu ec- ecb ecc ece ecg ech eci ecn ecr ecs ect ecu eeb eec eee eeg een eer ees eet egb egc ege egg egh egi egn egr egs egt egu ehb ehc ehe ehg ehh ehi ehn ehr ehs eht ehu eib eic eie eig eii ein eir eis eit eiu en- enb enc ene eng enh eni enn enr ens ent enu erb erc ere erg erh eri ern err ers ert eru es- esb esc ese esg esh esi esn esr ess est esu etb etc ete etg eth eti etn etr ets ett etu eu- eub euc eue eug eui eun eur eus eut gbc gbe gbg gbh gbi gbn gbr gbs gbt gbu gcb gcc gce gcg gch gci gcn gcr gcs gct gcu ge- geb gec gee geg geh gei gen ger ges get geu ggb ggc ggg ggh ggi ggn ggr ggs ggt ggu ghb ghc ghe ghg ghh ghi ghn ghr ghs ght gib gic gie gig gih gii gin gir gis git giu gnb gnc gne gni gnn gnr gns gnt gnu grb grc gre grg grh gri grn grr grs grt gru gsb gsc gse gsg gsi gsn gsr gss gst gsu gtb gtc gte gtg gth gti gtn gtr gts gtt gtu gu- gub guc gue gug gui gun gur gus gut guu h-i hbb hbc hbe hbg hbh hbi hbn hbr hbs hbt hbu hcb hcc hce hcg hch hci hcn hcr hcs hct he- heb hec hee heg heh hei hen her hes het heu hgb hgc hge hgg hgh hgi hgn hgr hgs hgt hgu hhb hhc hhe hhg hhh hhi hhn hhr hhs hht hhu hib hic hie hig hih hii hin hir his hit hiu hnb hnc hne hng hnh hnn hns hnt hnu hr- hrb hrc hre hrg hrh hri hrn hrr hrs hrt hru hsb hsc hse hsg hsh hsi hsn hsr hss hst hsu htb htc hte htg hth hti htn htr hts htt hub huc hue hug huh hui hun hur hus hut huu ibb ibc ibe ibg ibh ibi ibn ibr ibs ibt ibu icb icc ice icg ich ici icn icr ics ict icu ie- iec iee ieg iei ien ier ies iet igb igc ige igg igh igi ign igr igs igt igu ihb ihc ihe ihg ihh ihi ihn ihr ihs iht ihu iib iic iie iih iii iin iir iis iit iiu in- inb inc ine ing inh ini inn inr ins int inu ir- irb irc ire irg iri irn irr irs irt iru is- isb isc ise isg ish isi isn isr iss ist isu itb itc ite itg ith iti itn its itt itu iu- iub iuc iue iug iui iur ius iut n-i nbb nbc nbe nbg nbi nbn nbr nbs nbt nbu ncb ncc nce ncg nch nci ncn ncr ncs nct ncu ne- neb nec nee neg neh nei nen ner nes net neu ngb ngc nge ngg ngh ngi ngn ngs ngt ngu nhb nhc nhe nhg nhh nhi nhn nhr nhs nht nhu nib nic nie nig nih nii nin nir nis nit niu nnb nnc nne nng nnh nni nnn nns nnt nnu nrb nrc nre nrg nri nrn nrr nrs nrt nru nsb nsc nse nsg nsh nsi nsn nsr nss nst nsu ntb ntc nte ntg nth nti ntn ntr nts ntt ntu nub nuc nue nug nuh nui nun nur nus nut nuu rbb rbc rbe rbg rbh rbi rbn rbr rbs rbt rbu rcb rcc rce rcg rch rci rcn rcr rcs rct rcu re- reb rec ree reg reh rei ren rer res ret reu rgb rgc rge rgg rgh rgi rgn rgr rgs rgt rh- rhb rhc rhe rhg rhh rhi rhn rhr rhs rht rhu rib ric rie rig rih rii rin rir ris rit rnb rnc rng rnh rni rnn rnr rns rnt rnu rrb rrc rrg rrh rri rrn rrr rrs rrt rru rsb rsc rse rsg rsh rsi rsn rsr rss rst rsu rtb rtc rte rtg rti rtn rtr rts rtt rtu rub ruc rue rug ruh rui run rur rus rut ruu sbb sbc sbe sbg sbh sbi sbn sbr sbs sbt sbu scb scc sce scg sch sci scn scr scs sct scu se- seb sec see seg seh sei sen ser ses set seu sgb sgc sge sgg sgh sgi sgn