-er -ji eee eef eeg eel eer ees eet ef- efe eff efg efi efl efr efs eft ege egf egg egi egl egr egs egt eie eif eig eii eij eil eir eis eit ejf eji ejl ejt ele elf elg eli ell elr els elt ere erf erg eri erl err ers ert es- ese esf esg esi esl esr ess est ete etf etg eti etj etl etr ets ett fee fef feg fei fel fer fes fet ffe fff ffg ffi ffl ffr ffs fft fge fgf fgg fgi fgl fgr fgs fgt fie fif fig fii fij fil fir fis fit fjg fji fjs fle flf flg fli fll flr fls flt fre frf frg fri frj frl frr frs frt fse fsf fsg fsi fsj fsl fsr fss fst fte ftf ftg fti ftl ftr fts ftt ge- gee gef geg gei gel ger ges get gfe gff gfi gfl gfr gfs gft ggg ggi ggj ggr ggs ggt gie gif gig gii gij gil gir gis git gje gjg gjr gjt gle glf glg gli glj gll glr gls glt gre grf grg gri grj grl grr grs grt gse gsf gsg gsi gsj gsl gsr gss gst gte gtf gtg gti gtl gtr gts gtt i-f ie- iee ief ieg iei iej iel ier ies iet ife iff ifg ifi ifl ifr ifs ift ige igf igg igi igl igr igs igt iie iif iii iij iil iir iis iit ije ijf ijg iji ijl ijs ijt il- ile ilf ilg ili ill ilr ils ilt ir- ire irf irg iri irj irl irr irs irt is- ise isf isg isi isj isl isr iss ist ite itf itg iti itj itl its itt j-i jee jef jeg jei jej jel jer jes jet jfe jff jfg jfi jfj jfl jfr jfs jft jge jgi jgr jgs jgt jie jif jig jii jij jil jir jis jit jjf jjg jjj jjl jjr jjs jle jlf jlg jli jll jlr jls jlt jrf jrg jri jrl jrr jrs jrt jse jsf jsg jsi jsj jsl jsr jss jst jte jtf jtg jti jtl jtr jts jtt lee lef leg lei lej lel ler les let lfe lff lfg lfi lfl lfr lfs lft lge lgf lgg lgi lgj lgl lgr lgs lgt lie lif lig lii lij lil lir lis lit lje ljf ljj ljs lle llf llg lli llj lll llr lls llt lrf lrg lri lrr lrs lrt lse lsf lsg lsi lsj lsl lsr lss lst lte ltf ltg lti ltl ltr lts ltt re- ree ref reg rei rel rer res ret rfe rff rfg rfi rfj rfl rfr rfs rft rge rgf rgg rgi rgr rgs rgt rie rif rig rii ril rir ris rit rjf rjg rjr rle rlf rlg rli rll rlr rls rlt rrf rrg rri rrl rrr rrs rrt rse rsf rsg rsi rsj rsl rsr rss rst rte rtf rtg rti rtj rtl rtr rts rtt se- see sef seg sei sej sel ser ses set sfe sff sfg sfi sfj sfl sfr sfs sft sge sgf sgg sgi sgl sgr sgs sgt sie sif sig sii sij sil sir sis sit sje sjf sji sjj sjr sjs sjt sle slf slg sli slj sll slr sls slt sr- sre srf srg sri srj srl srr srs srt ss- sse ssf ssg ssi ssj ssl ssr sss sst ste stf stg sti stj stl str sts stt te- tee tef teg tei tej tel ter tes tet tfe tff tfg tfi tfj tfl tfr tfs tft tge tgf tgg tgi tgl tgr tgs tgt tie tif tig tii til tir tis tit tje tjf tji tjr tjs tle tlf tlg tli tlj tll tlr tls tlt tre trf trg tri trl trr trs trt tse tsf tsg tsi tsj tsl tsr tss tst tte ttf ttg tti ttl ttr tts ttt