-er b-u bbb bbc bbe bbh bbk bbm bbr bbs bbu bcb bcc bce bch bck bcm bcr bcs bcu be- beb bec bee beh bek bem ber bes beu bhb bhc bhe bhh bhk bhm bhr bhs bhu bkb bkc bke bkk bkm bkr bks bmb bmc bme bmh bmk bmm bmr bms bmu brb bre brh brk brm brr brs bru bsb bsc bse bsh bsk bsm bsr bss bsu bub buc bue buh buk bum bur bus buu c-- cbb cbc cbe cbh cbk cbm cbr cbs cbu ccb ccc cce cch cck ccm ccr ccs ccu ce- ceb cec cee ceh cek cem cer ces ceu ch- chb chc che chh chk chm chr chs chu ckb ckc ckh ckm cks cmb cmc cme cmh cmk cmm cmr cms cmu crb crc cre crh crk crm crr crs cru csb csc cse csh csk csm csr css csu cub cuc cue cuh cuk cum cur cus cuu ebb ebc ebe ebh ebk ebm ebr ebs ebu ec- ecb ecc ece ech eck ecm ecr ecs ecu eeb eec eee eek eem eer ees ehb ehc ehe ehh ehm ehr ehs ehu ekb ekc eke ekh ekr eks eku em- emb emc eme emh emk emm emr ems emu erb erc ere erh erk erm err ers eru es- esb esc ese esh esk esm esr ess esu eu- eub euc eue eur eus hbb hbc hbe hbh hbk hbm hbr hbs hbu hcb hcc hce hch hck hcm hcr hcs he- heb hec hee heh hek hem her hes heu hhb hhc hhe hhh hhk hhm hhr hhs hhu hkb hkh hkk hkm hkr hks hku hmb hmc hme hmh hmk hmm hmr hms hmu hr- hrb hrc hre hrh hrk hrm hrr hrs hru hsb hsc hse hsh hsk hsm hsr hss hsu hub huc hue huh huk hum hur hus huu kbb kbc kbe kbh kbk kbm kbr kbs kbu kcb kcc kce kch kck kcm kcr kcs kcu ke- keb kec kee keh kek kem ker kes khe khh khk khm khr khs khu kkb kkc kke kkh kkk kkm kkr kks kku kmb kmc kme kmh kmk kmm kms kmu krc krk krr krs kru ksb ksc kse ksh ksk ksm ksr kss ksu kub kuc kue kuh kuk kum kur kus kuu m-r mbb mbc mbe mbh mbk mbm mbr mbs mbu mc- mcb mcc mce mch mck mcm mcr mcs mcu meb mec mee meh mek mem mer mes meu mhc mhh mhk mhm mhr mhs mhu mkb mkc mke mkh mkk mkm mkr mks mku mmb mmc mme mmh mmk mmm mmr mms mmu mrb mrc mre mrh mrk mrm mrr mrs mru msb msc mse msh msk msm msr mss msu mub muc mue muh muk mum mur mus muu rbb rbc rbe rbh rbk rbm rbr rbs rbu rcb rcc rce rch rcm rcr rcs rcu re- reb rec ree reh rek rem rer res reu rh- rhb rhc rhe rhh rhm rhr rhs rhu rkb rkc rke rkk rkm rks rku rmb rmc rme rmh rmm rmr rms rrb rrc rrh rrk rrm rrr rrs rru rsb rsc rse rsh rsk rsm rsr rss rsu rub ruc rue ruh ruk rum rur rus ruu sbb sbc sbe sbh sbk sbm sbr sbs sbu scb scc sce sch sck scm scr scs scu se- seb sec see seh sek sem ser ses seu sh- shb shc she shh shk shm shr shs shu sk- skb skc ske skh skk skm skr sks sku smb smc sme smh smk smm smr sms smu sr- srb src sre srh srk srm srr srs ss- ssb ssc sse ssh ssk ssm ssr sss ssu sub suc sue suh suk sum sur sus suu ubb ubc ube ubh ubk ubr ubs ubu ucb ucc uce uch uck ucm ucr ucs ucu ueb uec uee ueh uem uer ues uhb uhc uhe uhh uhm uhr uhs uhu ukb ukc uke ukk ukr uku um- umb umc ume umh umm umr ums umu ur- urb urc ure urk urm urr urs uru usb usc use ush usk usm usr uss usu uuc uue uum uur uus uuu