-er -ic -th b-u bbb bbc bbe bbg bbh bbi bbl bbn bbr bbt bbu bcb bcc bce bcg bch bci bcl bcn bcr bct bcu be- beb bec bee beg beh bei bel ben ber bet beu bgb bgc bge bgg bgh bgi bgl bgn bgr bgt bgu bhb bhc bhe bhg bhh bhi bhl bhr bht bhu bi- bib bic bie big bih bii bil bin bir bit biu blb blc ble blg blh bli bll bln blr blt blu bnb bnc bne bng bni bnl bnn bnr bnt bnu brb bre brg brh bri brl brn brr brt bru btb btc bte btg bth bti btl btn btr btt btu bub buc bue bug buh bui bul bun bur but buu c-- cbb cbc cbe cbg cbh cbi cbl cbn cbr cbt cbu ccb ccc cce ccg cch cci ccl ccn ccr cct ccu ce- ceb cec cee ceg ceh cei cel cen cer cet ceu cgb cgc cge cgg cgh cgi cgl cgn cgr cgt cgu ch- chb chc che chg chh chi chl chn chr cht chu ci- cib cic cie cig cih cii cil cin cir cit ciu cl- clb clc cle clg clh cli cll cln clr clt clu cn- cnb cnc cne cng cnh cni cnl cnn cnr cnt cnu crb crc cre crg crh cri crl crn crr crt cru ctb ctc cte ctg cth cti ctl ctn ctr ctt ctu cub cuc cue cug cuh cui cul cun cur cut cuu ebb ebc ebe ebg ebh ebi ebl ebn ebr ebt ebu ec- ecb ecc ece ecg ech eci ecl ecn ecr ect ecu eeb eec eee eeg eel een eer eet egb egc ege egg egh egi egl egn egr egt egu ehb ehc ehe ehg ehh ehi ehl ehn ehr eht ehu eib eic eie eig eii eil ein eir eit eiu elb elc ele elg elh eli ell eln elr elt elu en- enb enc ene eng enh eni enl enn enr ent enu erb erc ere erg erh eri erl ern err ert eru etb etc ete etg eth eti etl etn etr ett etu eu- eub euc eue eug eui eul eun eur eut gbc gbe gbg gbh gbi gbl gbn gbr gbt gbu gcb gcc gce gcg gch gci gcl gcn gcr gct gcu ge- geb gec gee geg geh gei gel gen ger get geu ggb ggc ggg ggh ggi ggn ggr ggt ggu ghb ghc ghe ghg ghh ghi ghl ghn ghr ght gib gic gie gig gih gii gil gin gir git giu glb glc gle glg glh gli gll gln glr glt glu gnb gnc gne gni gnl gnn gnr gnt gnu grb grc gre grg grh gri grl grn grr grt gru gtb gtc gte gtg gth gti gtl gtn gtr gtt gtu gu- gub guc gue gug gui gul gun gur gut guu h-i hbb hbc hbe hbg hbh hbi hbl hbn hbr hbt hbu hcb hcc hce hcg hch hci hcl hcn hcr hct he- heb hec hee heg heh hei hel hen her het heu hgb hgc hge hgg hgh hgi hgl hgn hgr hgt hgu hhb hhc hhe hhg hhh hhi hhl hhn hhr hht hhu hib hic hie hig hih hii hil hin hir hit hiu hlb hlc hle hlg hlh hli hll hln hlr hlt hlu hnb hnc hne hng hnh hnl hnn hnt hnu hr- hrb hrc hre hrg hrh hri hrl hrn hrr hrt hru htb htc hte htg hth hti htl htn htr htt hub huc hue hug huh hui hul hun hur hut huu ibb ibc ibe ibg ibh ibi ibl ibn ibr ibt ibu icb icc ice icg ich ici icl icn icr ict icu ie- iec iee ieg iei iel ien ier iet igb igc ige igg igh igi igl ign igr igt igu ihb ihc ihe ihg ihh ihi ihl ihn ihr iht ihu iib iic iie iih iii iil iin iir iit iiu il- ilb ilc ile ilg ilh ili ill iln ilr ilt ilu in- inb inc ine ing inh ini inl inn inr int inu ir- irb irc ire irg iri irl irn irr irt iru itb itc ite itg ith iti itl itn itt itu iu- iub iuc iue iug iui iur iut lbb lbc lbe lbg lbh lbi lbl lbr lbt lbu lcb lcc lce lcg lch lci lcl lcn lcr lct lcu leb lec lee leg leh lei lel len ler let leu lgb lgc lge lgg lgh lgi lgl lgn lgr lgt lgu lhb lhc lhh lhi lhr lht lhu lib lic lie lig lih lii lil lin lir lit liu llb llc lle llg lli lll lln llr llt llu lnb lnc lne lng lnh lni lnl lnn lnr lnt lnu lrb lrc lrg lrh lri lrn lrr lrt lru ltb ltc lte ltg lth lti ltl ltr ltt ltu lub luc lue lug luh lui lul lun lur lut luu n-i nbb nbc nbe nbg nbi nbl nbn nbr nbt nbu ncb ncc nce ncg nch nci ncl ncn ncr nct ncu ne- neb nec nee neg neh nei nel nen ner net neu ngb ngc nge ngg ngh ngi ngl ngn ngt ngu nhb nhc nhe nhg nhh nhi nhl nhn nhr nht nhu nib nic nie nig nih nii nil nin nir nit niu nlb nlc nle nlg nlh nli nll nln nlr nlt nlu nnb nnc nne nng nnh nni nnl nnn nnt nnu nrb nrc nre nrg nri nrl nrn nrr nrt nru ntb ntc nte ntg nth nti ntn ntr ntt ntu nub nuc nue nug nuh nui nul nun nur nut nuu rbb rbc rbe rbg rbh rbi rbl rbn rbr rbt rbu rcb rcc rce rcg rch rci rcl rcn rcr rct rcu re- reb rec ree reg reh rei rel ren rer ret reu rgb rgc rge rgg rgh rgi rgn rgr rgt rh- rhb rhc rhe rhg rhh