-er -ji bbb bbe bbg bbi bbl bbr bbs be- beb bee beg bei bel ber bes bgb bge bgg bgi bgl bgr bgs bi- bib bie big bii bij bil bir bis bjg bji bjj bjr bjs blb ble blg bli blj bll blr bls brb bre brg bri brj brl brr brs bsb bse bsg bsi bsj bsl bsr bss ebb ebe ebg ebi ebj ebl ebr ebs eeb eee eeg eel eer ees egb ege egg egi egl egr egs eib eie eig eii eij eil eir eis eji ejl elb ele elg eli ell elr els erb ere erg eri erl err ers es- esb ese esg esi esl esr ess gbe gbg gbi gbj gbl gbr gbs ge- geb gee geg gei gel ger ges ggb ggg ggi ggj ggr ggs gib gie gig gii gij gil gir gis gje gjg gjr glb gle glg gli glj gll glr gls grb gre grg gri grj grl grr grs gsb gse gsg gsi gsj gsl gsr gss ibb ibe ibg ibi ibj ibl ibr ibs ie- iee ieg iei iej iel ier ies igb ige igg igi igl igr igs iib iie iii iij iil iir iis ijb ije ijg iji ijl ijs il- ilb ile ilg ili ill ilr ils ir- irb ire irg iri irj irl irr irs is- isb ise isg isi isj isl isr iss j-i jbg jbi jbj jbl jbr jbs jeb jee jeg jei jej jel jer jes jgb jge jgi jgr jgs jib jie jig jii jij jil jir jis jjb jjg jjj jjl jjr jjs jlb jle jlg jli jll jlr jls jrb jrg jri jrl jrr jrs jsb jse jsg jsi jsj jsl jsr jss lbb lbe lbg lbi lbj lbl lbr lbs leb lee leg lei lej lel ler les lgb lge lgg lgi lgj lgl lgr lgs lib lie lig lii lij lil lir lis lje ljj ljs llb lle llg lli llj lll llr lls lrb lrg lri lrr lrs lsb lse lsg lsi lsj lsl lsr lss rbb rbe rbg rbi rbl rbr rbs re- reb ree reg rei rel rer res rgb rge rgg rgi rgr rgs rib rie rig rii ril rir ris rjg rjr rle rlg rli rll rlr rls rrb rrg rri rrl rrr rrs rsb rse rsg rsi rsj rsl rsr rss sbb sbe sbg sbi sbj sbl sbr sbs se- seb see seg sei sej sel ser ses sgb sge sgg sgi sgl sgr sgs sib sie sig sii sij sil sir sis sjb sje sji sjj sjr sjs slb sle slg sli slj sll slr sls sr- srb sre srg sri srj srl srr srs ss- ssb sse ssg ssi ssj ssl ssr sss