-er -ji b-p bbb bbe bbg bbi bbp bbr bbs be- beb bee beg bei bep ber bes bgb bge bgg bgi bgp bgr bgs bi- bib bie big bii bij bip bir bis bjg bji bjj bjp bjr bjs bpb bpe bpg bpi bpp bpr bps brb bre brg bri brj brp brr brs bsb bse bsg bsi bsj bsp bsr bss ebb ebe ebg ebi ebj ebp ebr ebs eeb eee eeg eep eer ees egb ege egg egi egp egr egs eib eie eig eii eij eip eir eis eji ejp ep- epb epe epg epi epp epr eps erb ere erg eri erp err ers es- esb ese esg esi esp esr ess g-p gbe gbg gbi gbj gbp gbr gbs ge- geb gee geg gei gep ger ges ggb ggg ggi ggj ggp ggr ggs gib gie gig gii gij gip gir gis gje gjg gjr gpb gpe gpg gpi gpp gpr gps grb gre grg gri grj grp grr grs gsb gse gsg gsi gsj gsp gsr gss ibb ibe ibg ibi ibj ibp ibr ibs ie- iee ieg iei iej iep ier ies igb ige igg igi igp igr igs iib iie iii iij iip iir iis ijb ije ijg iji ijs ipb ipe ipg ipi ipp ipr ips ir- irb ire irg iri irj irp irr irs is- isb ise isg isi isj isp isr iss j-i jbg jbi jbj jbr jbs jeb jee jeg jei jej jep jer jes jgb jge jgi jgp jgr jgs jib jie jig jii jij jip jir jis jjb jjg jjj jjp jjr jjs jpb jpe jpg jpi jpj jpp jpr jps jrb jrg jri jrp jrr jrs jsb jse jsg jsi jsj jsp jsr jss p-p pbb pbe pbg pbi pbj pbp pbr pbs peb pee peg pei pep per pes pgb pge pgg pgi pgp pgr pgs pib pie pig pii pij pip pir pis pji pjp pjs ppb ppe ppg ppi ppj ppp ppr pps prb pre prg pri prp prr prs ps- psb pse psg psi psj psp psr pss rbb rbe rbg rbi rbp rbr rbs re- reb ree reg rei rep rer res rgb rge rgg rgi rgp rgr rgs rib rie rig rii rip rir ris rjg rjp rjr rpb rpe rpg rpi rpp rpr rps rrb rrg rri rrp rrr rrs rsb rse rsg rsi rsj rsp rsr rss sbb sbe sbg sbi sbj sbp sbr sbs se- seb see seg sei sej sep ser ses sgb sge sgg sgi sgp sgr sgs sib sie sig sii sij sip sir sis sjb sje sji sjj sjp sjr sjs spb spe spg spi spp spr sps sr- srb sre srg sri srj srp srr srs ss- ssb sse ssg ssi ssj ssp ssr sss