-ic b-u bbb bbc bbe bbi bbm bbn bbs bbu bcb bcc bce bci bcm bcn bcs bcu be- beb bec bee bei bem ben bes beu bi- bib bic bie bii bim bin bis biu bmb bmc bme bmi bmm bmn bms bmu bnb bnc bne bni bnn bns bnu bsb bsc bse bsi bsm bsn bss bsu bub buc bue bui bum bun bus buu c-- cbb cbc cbe cbi cbm cbn cbs cbu ccb ccc cce cci ccm ccn ccs ccu ce- ceb cec cee cei cem cen ces ceu ci- cib cic cie cii cim cin cis ciu cmb cmc cme cmi cmm cmn cms cmu cn- cnb cnc cne cni cnm cnn cns cnu csb csc cse csi csm csn css csu cub cuc cue cui cum cun cus cuu ebb ebc ebe ebi ebm ebn ebs ebu ec- ecb ecc ece eci ecm ecn ecs ecu eeb eec eee eem een ees eib eic eie eii eim ein eis eiu em- emb emc eme emi emm emn ems emu en- enb enc ene eni enm enn ens enu es- esb esc ese esi esm esn ess esu eu- eub euc eue eui eun eus ibb ibc ibe ibi ibm ibn ibs ibu icb icc ice ici icm icn ics icu ie- iec iee iei iem ien ies iib iic iie iii iim iin iis iiu im- imb imc ime imi imm imn ims imu in- inb inc ine ini inm inn ins inu is- isb isc ise isi ism isn iss isu iu- iub iuc iue iui ium ius mbb mbc mbe mbi mbm mbs mbu mc- mcb mcc mce mci mcm mcn mcs mcu meb mec mee mei mem men mes meu mi- mib mic mie mii mim min mis miu mmb mmc mme mmi mmm mmn mms mmu mnb mnc mne mni mnm mnn mns mnu msb msc mse msi msm msn mss msu mub muc mue mui mum mun mus muu n-i nbb nbc nbe nbi nbm nbn nbs nbu ncb ncc nce nci ncm ncn ncs ncu ne- neb nec nee nei nem nen nes neu nib nic nie nii nim nin nis niu nmb nmc nme nmi nmm nmn nms nmu nnb nnc nne nni nnm nnn nns nnu nsb nsc nse nsi nsm nsn nss nsu nub nuc nue nui num nun nus nuu sbb sbc sbe sbi sbm sbn sbs sbu scb scc sce sci scm scn scs scu se- seb sec see sei sem sen ses seu sib sic sie sii sim sin sis siu smb smc sme smi smm smn sms smu snb snc sne sni snm snn sns snu ss- ssb ssc sse ssi ssm ssn sss ssu sub suc sue sui sum sun sus suu ubb ubc ube ubi ubn ubs ubu ucb ucc uce uci ucm ucn ucs ucu ueb uec uee uei uem uen ues uib uic uie uii uim uin uis uiu um- umb umc ume umi umm umn ums umu un- unb unc une uni unm unn uns unu usb usc use usi usm usn uss usu uuc uue uum uun uus uuu