-er -th b-u bbb bbe bbg bbh bbi bbr bbs bbt bbu be- beb bee beg beh bei ber bes bet beu bgb bge bgg bgh bgi bgr bgs bgt bgu bhb bhe bhg bhh bhi bhr bhs bht bhu bi- bib bie big bih bii bir bis bit biu brb bre brg brh bri brr brs brt bru bsb bse bsg bsh bsi bsr bss bst bsu btb bte btg bth bti btr bts btt btu bub bue bug buh bui bur bus but buu ebb ebe ebg ebh ebi ebr ebs ebt ebu eeb eee eeg eer ees eet egb ege egg egh egi egr egs egt egu ehb ehe ehg ehh ehi ehr ehs eht ehu eib eie eig eii eir eis eit eiu erb ere erg erh eri err ers ert eru es- esb ese esg esh esi esr ess est esu etb ete etg eth eti etr ets ett etu eu- eub eue eug eui eur eus eut gbe gbg gbh gbi gbr gbs gbt gbu ge- geb gee geg geh gei ger ges get geu ggb ggg ggh ggi ggr ggs ggt ggu ghb ghe ghg ghh ghi ghr ghs ght gib gie gig gih gii gir gis git giu grb gre grg grh gri grr grs grt gru gsb gse gsg gsi gsr gss gst gsu gtb gte gtg gth gti gtr gts gtt gtu gu- gub gue gug gui gur gus gut guu h-i hbb hbe hbg hbh hbi hbr hbs hbt hbu he- heb hee heg heh hei her hes het heu hgb hge hgg hgh hgi hgr hgs hgt hgu hhb hhe hhg hhh hhi hhr hhs hht hhu hib hie hig hih hii hir his hit hiu hr- hrb hre hrg hrh hri hrr hrs hrt hru hsb hse hsg hsh hsi hsr hss hst hsu htb hte htg hth hti htr hts htt hub hue hug huh hui hur hus hut huu ibb ibe ibg ibh ibi ibr ibs ibt ibu ie- iee ieg iei ier ies iet igb ige igg igh igi igr igs igt igu ihb ihe ihg ihh ihi ihr ihs iht ihu iib iie iih iii iir iis iit iiu ir- irb ire irg iri irr irs irt iru is- isb ise isg ish isi isr iss ist isu itb ite itg ith iti its itt itu iu- iub iue iug iui iur ius iut rbb rbe rbg rbh rbi rbr rbs rbt rbu re- reb ree reg reh rei rer res ret reu rgb rge rgg rgh rgi rgr rgs rgt rh- rhb rhe rhg rhh rhi rhr rhs rht rhu rib rie rig rih rii rir ris rit rrb rrg rrh rri rrr rrs rrt rru rsb rse rsg rsh rsi rsr rss rst rsu rtb rte rtg rti rtr rts rtt rtu rub rue rug ruh rui rur rus rut ruu sbb sbe sbg sbh sbi sbr sbs sbt sbu se- seb see seg seh sei ser ses set seu sgb sge sgg sgh sgi sgr sgs sgt sgu sh- shb she shg shh shi shr shs sht shu sib sie sig sih sii sir sis sit siu sr- srb sre srg srh sri srr srs srt ss- ssb sse ssg ssh ssi ssr sss sst ssu stb ste stg sth sti str sts stt stu sub sue sug suh sui sur sus sut suu tbb tbe tbg tbh tbi tbr tbs tbt tbu te- teb tee teg teh tei ter tes tet teu tgb tge tgg tgh tgi tgr tgs tgt tgu th- thb the thg thh thi thr ths tht thu tib tie tig tih tii tir tis tit tiu trb tre trg trh tri trr trs trt tru tsb tse tsg tsh tsi tsr tss tst tsu ttb tte ttg tth tti ttr tts ttt ttu tub tue tug tuh tui tur tus tut tuu ubb ube ubg ubh ubi ubr ubs ubt ubu ueb uee ueg ueh uei uer ues uet ugb uge ugg ugh ugi ugr ugs ugt ugu uhb uhe uhh uhi uhr uhs uht uhu uib uie uig uii uir uis uit uiu ur- urb ure urg uri urr urs urt uru usb use usg ush usi usr uss ust usu utb ute uth uti utr uts utt utu uue uug uur uus uut uuu