-er -ji a-a a-b a-i aaa aab aae aag aai aaj aar aas ab- aba abb abe abg abi abj abr abs aea aeb aee aeg aei aej aer aes ag- aga agb age agg agi agj agr ags ai- aia aib aie aig aii air ais aja ajb aje aji ajj ajr ajs ar- ara arb are arg ari arj arr ars as- asa asb ase asg asi asj asr ass baa bab bae bag bai baj bar bas bba bbb bbe bbg bbi bbr bbs be- bea beb bee beg bei ber bes bga bgb bge bgg bgi bgr bgs bi- bia bib bie big bii bij bir bis bja bjg bji bjj bjr bjs bra brb bre brg bri brj brr brs bsa bsb bse bsg bsi bsj bsr bss eaa eab eae eag eai eaj ear eas eba ebb ebe ebg ebi ebj ebr ebs eea eeb eee eeg eer ees ega egb ege egg egi egr egs eia eib eie eig eii eij eir eis eja eji era erb ere erg eri err ers es- esa esb ese esg esi esr ess gaa gab gae gag gai gaj gar gas gba gbe gbg gbi gbj gbr gbs ge- gea geb gee geg gei ger ges gga ggb ggg ggi ggj ggr ggs gia gib gie gig gii gij gir gis gja gje gjg gjr gra grb gre grg gri grj grr grs gsa gsb gse gsg gsi gsj gsr gss ia- iaa iab iae iag iai iar ias iba ibb ibe ibg ibi ibj ibr ibs ie- iea iee ieg iei iej ier ies iga igb ige igg igi igr igs iia iib iie iii iij iir iis ija ijb ije ijg iji ijs ir- ira irb ire irg iri irj irr irs is- isa isb ise isg isi isj isr iss j-i jaa jab jae jag jai jaj jar jas jba jbg jbi jbj jbr jbs jea jeb jee jeg jei jej jer jes jga jgb jge jgi jgr jgs jia jib jie jig jii jij jir jis jja jjb jjg jjj jjr jjs jra jrb jrg jri jrr jrs jsa jsb jse jsg jsi jsj jsr jss ra- raa rab rae rag rai raj rar ras rba rbb rbe rbg rbi rbr rbs re- rea reb ree reg rei rer res rga rgb rge rgg rgi rgr rgs ria rib rie rig rii rir ris rja rjg rjr rra rrb rrg rri rrr rrs rsa rsb rse rsg rsi rsj rsr rss saa sab sae sag sai saj sar sas sba sbb sbe sbg sbi sbj sbr sbs se- sea seb see seg sei sej ser ses sga sgb sge sgg sgi sgr sgs sia sib sie sig sii sij sir sis sja sjb sje sji sjj sjr sjs sr- sra srb sre srg sri srj srr srs ss- ssa ssb sse ssg ssi ssj ssr sss