-er -th bbb bbe bbg bbh bbi bbl bbr bbs bbt be- beb bee beg beh bei bel ber bes bet bgb bge bgg bgh bgi bgl bgr bgs bgt bhb bhe bhg bhh bhi bhl bhr bhs bht bi- bib bie big bih bii bil bir bis bit blb ble blg blh bli bll blr bls blt brb bre brg brh bri brl brr brs brt bsb bse bsg bsh bsi bsl bsr bss bst btb bte btg bth bti btl btr bts btt ebb ebe ebg ebh ebi ebl ebr ebs ebt eeb eee eeg eel eer ees eet egb ege egg egh egi egl egr egs egt ehb ehe ehg ehh ehi ehl ehr ehs eht eib eie eig eii eil eir eis eit elb ele elg elh eli ell elr els elt erb ere erg erh eri erl err ers ert es- esb ese esg esh esi esl esr ess est etb ete etg eth eti etl etr ets ett gbe gbg gbh gbi gbl gbr gbs gbt ge- geb gee geg geh gei gel ger ges get ggb ggg ggh ggi ggr ggs ggt ghb ghe ghg ghh ghi ghl ghr ghs ght gib gie gig gih gii gil gir gis git glb gle glg glh gli gll glr gls glt grb gre grg grh gri grl grr grs grt gsb gse gsg gsi gsl gsr gss gst gtb gte gtg gth gti gtl gtr gts gtt h-i hbb hbe hbg hbh hbi hbl hbr hbs hbt he- heb hee heg heh hei hel her hes het hgb hge hgg hgh hgi hgl hgr hgs hgt hhb hhe hhg hhh hhi hhl hhr hhs hht hib hie hig hih hii hil hir his hit hlb hle hlg hlh hli hll hlr hls hlt hr- hrb hre hrg hrh hri hrl hrr hrs hrt hsb hse hsg hsh hsi hsl hsr hss hst htb hte htg hth hti htl htr hts htt ibb ibe ibg ibh ibi ibl ibr ibs ibt ie- iee ieg iei iel ier ies iet igb ige igg igh igi igl igr igs igt ihb ihe ihg ihh ihi ihl ihr ihs iht iib iie iih iii iil iir iis iit il- ilb ile ilg ilh ili ill ilr ils ilt ir- irb ire irg iri irl irr irs irt is- isb ise isg ish isi isl isr iss ist itb ite itg ith iti itl its itt lbb lbe lbg lbh lbi lbl lbr lbs lbt leb lee leg leh lei lel ler les let lgb lge lgg lgh lgi lgl lgr lgs lgt lhb lhh lhi lhr lhs lht lib lie lig lih lii lil lir lis lit llb lle llg lli lll llr lls llt lrb lrg lrh lri lrr lrs lrt lsb lse lsg lsh lsi lsl lsr lss lst ltb lte ltg lth lti ltl ltr lts ltt rbb rbe rbg rbh rbi rbl rbr rbs rbt re- reb ree reg reh rei rel rer res ret rgb rge rgg rgh rgi rgr rgs rgt rh- rhb rhe rhg rhh rhi rhl rhr rhs rht rib rie rig rih rii ril rir ris rit rle rlg rlh rli rll rlr rls rlt rrb rrg rrh rri rrl rrr rrs rrt rsb rse rsg rsh rsi rsl rsr rss rst rtb rte rtg rti rtl rtr rts rtt sbb sbe sbg sbh sbi sbl sbr sbs sbt se- seb see seg seh sei sel ser ses set sgb sge sgg sgh sgi sgl sgr sgs sgt sh- shb she shg shh shi shl shr shs sht sib sie sig sih sii sil sir sis sit slb sle slg slh sli sll slr sls slt sr- srb sre srg srh sri srl srr srs srt ss- ssb sse ssg ssh ssi ssl ssr sss sst stb ste stg sth sti stl str sts stt tbb tbe tbg tbh tbi tbl tbr tbs tbt te- teb tee teg teh tei tel ter tes tet tgb tge tgg tgh tgi tgl tgr tgs tgt th- thb the thg thh thi thl thr ths tht tib tie tig tih tii til tir tis tit tle tlg tlh tli tll tlr tls tlt trb tre trg trh tri trl trr trs trt tsb tse tsg tsh tsi tsl tsr tss tst ttb tte ttg tth tti ttl ttr tts ttt