-er -ic b-u bbb bbc bbe bbh bbi bbm bbr bbs bbu bcb bcc bce bch bci bcm bcr bcs bcu be- beb bec bee beh bei bem ber bes beu bhb bhc bhe bhh bhi bhm bhr bhs bhu bi- bib bic bie bih bii bim bir bis biu bmb bmc bme bmh bmi bmm bmr bms bmu brb bre brh bri brm brr brs bru bsb bsc bse bsh bsi bsm bsr bss bsu bub buc bue buh bui bum bur bus buu c-- cbb cbc cbe cbh cbi cbm cbr cbs cbu ccb ccc cce cch cci ccm ccr ccs ccu ce- ceb cec cee ceh cei cem cer ces ceu ch- chb chc che chh chi chm chr chs chu ci- cib cic cie cih cii cim cir cis ciu cmb cmc cme cmh cmi cmm cmr cms cmu crb crc cre crh cri crm crr crs cru csb csc cse csh csi csm csr css csu cub cuc cue cuh cui cum cur cus cuu ebb ebc ebe ebh ebi ebm ebr ebs ebu ec- ecb ecc ece ech eci ecm ecr ecs ecu eeb eec eee eem eer ees ehb ehc ehe ehh ehi ehm ehr ehs ehu eib eic eie eii eim eir eis eiu em- emb emc eme emh emi emm emr ems emu erb erc ere erh eri erm err ers eru es- esb esc ese esh esi esm esr ess esu eu- eub euc eue eui eur eus h-i hbb hbc hbe hbh hbi hbm hbr hbs hbu hcb hcc hce hch hci hcm hcr hcs he- heb hec hee heh hei hem her hes heu hhb hhc hhe hhh hhi hhm hhr hhs hhu hib hic hie hih hii him hir his hiu hmb hmc hme hmh hmi hmm hmr hms hmu hr- hrb hrc hre hrh hri hrm hrr hrs hru hsb hsc hse hsh hsi hsm hsr hss hsu hub huc hue huh hui hum hur hus huu ibb ibc ibe ibh ibi ibm ibr ibs ibu icb icc ice ich ici icm icr ics icu ie- iec iee iei iem ier ies ihb ihc ihe ihh ihi ihm ihr ihs ihu iib iic iie iih iii iim iir iis iiu im- imb imc ime imh imi imm ims imu ir- irb irc ire iri irm irr irs iru is- isb isc ise ish isi ism isr iss isu iu- iub iuc iue iui ium iur ius m-r mbb mbc mbe mbh mbi mbm mbr mbs mbu mc- mcb mcc mce mch mci mcm mcr mcs mcu meb mec mee meh mei mem mer mes meu mhc mhh mhi mhm mhr mhs mhu mi- mib mic mie mih mii mim mir mis miu mmb mmc mme mmh mmi mmm mmr mms mmu mrb mrc mre mrh mri mrm mrr mrs mru msb msc mse msh msi msm msr mss msu mub muc mue muh mui mum mur mus muu rbb rbc rbe rbh rbi rbm rbr rbs rbu rcb rcc rce rch rci rcm rcr rcs rcu re- reb rec ree reh rei rem rer res reu rh- rhb rhc rhe rhh rhi rhm rhr rhs rhu rib ric rie rih rii rim rir ris rmb rmc rme rmh rmi rmm rmr rms rrb rrc rrh rri rrm rrr rrs rru rsb rsc rse rsh rsi rsm rsr rss rsu rub ruc rue ruh rui rum rur rus ruu sbb sbc sbe sbh sbi sbm sbr sbs sbu scb scc sce sch sci scm scr scs scu se- seb sec see seh sei sem ser ses seu sh- shb shc she shh shi shm shr shs shu sib sic sie sih sii sim sir sis siu smb smc sme smh smi smm smr sms smu sr- srb src sre srh sri srm srr srs ss- ssb ssc sse ssh ssi ssm ssr sss ssu sub suc sue suh sui sum sur sus suu ubb ubc ube ubh ubi ubr ubs ubu ucb ucc uce uch uci ucm ucr ucs ucu ueb uec uee ueh uei uem uer ues uhb uhc uhe uhh uhi uhm uhr uhs uhu uib uic uie uii uim uir uis uiu um- umb umc ume umh umi umm umr ums umu ur- urb urc ure uri urm urr urs uru usb usc use ush usi usm usr uss usu uuc uue uum uur uus uuu