-ic b-u bbb bbc bbi bbm bbn bbs bbu bcb bcc bci bcm bcn bcs bcu bi- bib bic bii bim bin bis biu bmb bmc bmi bmm bmn bms bmu bnb bnc bni bnn bns bnu bsb bsc bsi bsm bsn bss bsu bub buc bui bum bun bus buu c-- cbb cbc cbi cbm cbn cbs cbu ccb ccc cci ccm ccn ccs ccu ci- cib cic cii cim cin cis ciu cmb cmc cmi cmm cmn cms cmu cn- cnb cnc cni cnm cnn cns cnu csb csc csi csm csn css csu cub cuc cui cum cun cus cuu ibb ibc ibi ibm ibn ibs ibu icb icc ici icm icn ics icu iib iic iii iim iin iis iiu im- imb imc imi imm imn ims imu in- inb inc ini inm inn ins inu is- isb isc isi ism isn iss isu iu- iub iuc iui ium ius mbb mbc mbi mbm mbs mbu mc- mcb mcc mci mcm mcn mcs mcu mi- mib mic mii mim min mis miu mmb mmc mmi mmm mmn mms mmu mnb mnc mni mnm mnn mns mnu msb msc msi msm msn mss msu mub muc mui mum mun mus muu n-i nbb nbc nbi nbm nbn nbs nbu ncb ncc nci ncm ncn ncs ncu nib nic nii nim nin nis niu nmb nmc nmi nmm nmn nms nmu nnb nnc nni nnm nnn nns nnu nsb nsc nsi nsm nsn nss nsu nub nuc nui num nun nus nuu sbb sbc sbi sbm sbn sbs sbu scb scc sci scm scn scs scu sib sic sii sim sin sis siu smb smc smi smm smn sms smu snb snc sni snm snn sns snu ss- ssb ssc ssi ssm ssn sss ssu sub suc sui sum sun sus suu ubb ubc ubi ubn ubs ubu ucb ucc uci ucm ucn ucs ucu uib uic uii uim uin uis uiu um- umb umc umi umm umn ums umu un- unb unc uni unm unn uns unu usb usc usi usm usn uss usu uuc uum uun uus uuu