-er -up b-p b-u bbb bbc bbe bbk bbm bbp bbr bbu bcb bcc bce bcj bck bcm bcp bcr bcu be- beb bec bee bek bem bep ber beu bjc bjj bjk bjm bjp bjr bju bkb bkc bke bkk bkm bkp bkr bmb bmc bme bmj bmk bmm bmp bmr bmu bpb bpc bpe bpm bpp bpr bpu brb bre brj brk brm brp brr bru bub buc bue buj buk bum bup bur buu c-- c-j cbb cbc cbe cbj cbk cbm cbp cbr cbu ccb ccc cce ccj cck ccm ccp ccr ccu ce- ceb cec cee cej cek cem cep cer ceu cjb cjc cjk cjp cjr ckb ckc ckm cmb cmc cme cmj cmk cmm cmp cmr cmu cpb cpc cpe cpj cpk cpm cpp cpr cpu crb crc cre crj crk crm crp crr cru cub cuc cue cuk cum cup cur cuu ebb ebc ebe ebj ebk ebm ebp ebr ebu ec- ecb ecc ece ecj eck ecm ecr ecu eeb eec eee eek eem eep eer ejc ejp eju ekb ekc eke ekp ekr eku em- emb emc eme emk emm emp emr emu ep- epb epc epe epm epp epr epu erb erc ere erk erm erp err eru eu- eub euc eue euj eup eur jbc jbj jbk jbm jbr jbu jcb jcc jce jck jcm jcp jcr jcu jeb jec jee jej jek jem jep jer jeu jjb jjc jjj jjk jjp jjr jju jkb jkk jkm jkp jkr jku jmb jmc jme jmj jmm jmp jmr jmu jpb jpc jpe jpj jpm jpp jpr jrb jrc jrk jrm jrp jrr jub jue juk jum jup jur kbb kbc kbe kbk kbm kbp kbr kbu kcb kcc kce kck kcm kcp kcr kcu ke- keb kec kee kek kem kep ker kjb kjc kje kjr kju kkb kkc kke kkk kkm kkp kkr kku kmb kmc kme kmj kmk kmm kmp kmu kpc kpe kpk kpm kpp kpr kpu krc krk krp krr kru kub kuc kue kuj kuk kum kup kur kuu m-r mbb mbc mbe mbj mbk mbm mbp mbr mbu mc- mcb mcc mce mck mcm mcp mcr mcu meb mec mee mej mek mem mep mer meu mjb mjc mje mjj mjk mjm mjp mjr mkb mkc mke mkk mkm mkp mkr mku mmb mmc mme mmj mmk mmm mmp mmr mmu mpb mpc mpe mpk mpm mpp mpr mpu mrb mrc mre mrj mrk mrm mrp mrr mru mub muc mue muj muk mum mup mur muu p-p pbb pbc pbe pbj pbk pbm pbp pbr pbu pcb pcc pce pcj pck pcm pcp pcr pcu peb pec pee pek pem pep per peu pjc pjm pjp pkb pkc pke pkm pkp pkr pku pmb pmc pme pmk pmm pmp pmr pmu ppb ppc ppe ppj ppk ppm ppp ppr ppu prb prc pre prk prm prp prr pru pub puc pue puj puk pum pup pur puu rbb rbc rbe rbk rbm rbp rbr rbu rcb rcc rce rcj rcm rcp rcr rcu re- reb rec ree rek rem rep rer reu rjc rjk rjm rjp rjr rkb rkc rke rkk rkm rkp rku rmb rmc rme rmm rmp rmr rpb rpc rpe rpk rpm rpp rpr rpu rrb rrc rrk rrm rrp rrr rru rub ruc rue ruk rum rup rur ruu ubb ubc ube ubk ubp ubr ubu ucb ucc uce ucj uck ucm ucp ucr ucu ueb uec uee uem uep uer ujc ukb ukc uke ukk ukp ukr uku um- umb umc ume umm ump umr umu up- upb upc upe upj upk upm upp upr upu ur- urb urc ure urk urm urp urr uru uuc uue uum uur uuu