-er -ji b-u bbb bbe bbg bbi bbr bbs bbt bbu be- beb bee beg bei ber bes bet beu bgb bge bgg bgi bgr bgs bgt bgu bi- bib bie big bii bij bir bis bit biu bjg bji bjj bjr bjs bjt bju brb bre brg bri brj brr brs brt bru bsb bse bsg bsi bsj bsr bss bst bsu btb bte btg bti btr bts btt btu bub bue bug bui buj bur bus but buu ebb ebe ebg ebi ebj ebr ebs ebt ebu eeb eee eeg eer ees eet egb ege egg egi egr egs egt egu eib eie eig eii eij eir eis eit eiu eji ejt eju erb ere erg eri err ers ert eru es- esb ese esg esi esr ess est esu etb ete etg eti etj etr ets ett etu eu- eub eue eug eui euj eur eus eut gbe gbg gbi gbj gbr gbs gbt gbu ge- geb gee geg gei ger ges get geu ggb ggg ggi ggj ggr ggs ggt ggu gib gie gig gii gij gir gis git giu gje gjg gjr gjt grb gre grg gri grj grr grs grt gru gsb gse gsg gsi gsj gsr gss gst gsu gtb gte gtg gti gtr gts gtt gtu gu- gub gue gug gui guj gur gus gut guu ibb ibe ibg ibi ibj ibr ibs ibt ibu ie- iee ieg iei iej ier ies iet igb ige igg igi igr igs igt igu iib iie iii iij iir iis iit iiu ijb ije ijg iji ijs ijt iju ir- irb ire irg iri irj irr irs irt iru is- isb ise isg isi isj isr iss ist isu itb ite itg iti itj its itt itu iu- iub iue iug iui iur ius iut j-i jbg jbi jbj jbr jbs jbt jbu jeb jee jeg jei jej jer jes jet jeu jgb jge jgi jgr jgs jgt jgu jib jie jig jii jij jir jis jit jiu jjb jjg jjj jjr jjs jju jrb jrg jri jrr jrs jrt jsb jse jsg jsi jsj jsr jss jst jsu jtb jte jtg jti jtr jts jtt jtu jub jue jug jui jur jus jut rbb rbe rbg rbi rbr rbs rbt rbu re- reb ree reg rei rer res ret reu rgb rge rgg rgi rgr rgs rgt rib rie rig rii rir ris rit rjg rjr rrb rrg rri rrr rrs rrt rru rsb rse rsg rsi rsj rsr rss rst rsu rtb rte rtg rti rtj rtr rts rtt rtu rub rue rug rui rur rus rut ruu sbb sbe sbg sbi sbj sbr sbs sbt sbu se- seb see seg sei sej ser ses set seu sgb sge sgg sgi sgr sgs sgt sgu sib sie sig sii sij sir sis sit siu sjb sje sji sjj sjr sjs sjt sju sr- srb sre srg sri srj srr srs srt ss- ssb sse ssg ssi ssj ssr sss sst ssu stb ste stg sti stj str sts stt stu sub sue sug sui sur sus sut suu tbb tbe tbg tbi tbj tbr tbs tbt tbu te- teb tee teg tei tej ter tes tet teu tgb tge tgg tgi tgr tgs tgt tgu tib tie tig tii tir tis tit tiu tje tji tjr tjs tju trb tre trg tri trr trs trt tru tsb tse tsg tsi tsj tsr tss tst tsu ttb tte ttg tti ttr tts ttt ttu tub tue tug tui tuj tur tus tut tuu ubb ube ubg ubi ubr ubs ubt ubu ueb uee ueg uei uer ues uet ugb uge ugg ugi ugr ugs ugt ugu uib uie uig uii uir uis uit uiu uji ujs ur- urb ure urg uri urr urs urt uru usb use usg usi usj usr uss ust usu utb ute uti utj utr uts utt utu uue uug uur uus uut uuu