-ic b-u bbb bbc bbe bbf bbi bbm bbn bbu bcb bcc bce bcf bci bcm bcn bcu be- beb bec bee bef bei bem ben beu bfb bfc bfe bff bfi bfm bfn bfu bi- bib bic bie bif bii bim bin biu bmb bmc bme bmf bmi bmm bmn bmu bnb bnc bne bnf bni bnn bnu bub buc bue buf bui bum bun buu c-- cbb cbc cbe cbf cbi cbm cbn cbu ccb ccc cce ccf cci ccm ccn ccu ce- ceb cec cee cef cei cem cen ceu cfb cfc cfe cff cfi cfm cfn cfu ci- cib cic cie cif cii cim cin ciu cmb cmc cme cmf cmi cmm cmn cmu cn- cnb cnc cne cnf cni cnm cnn cnu cub cuc cue cuf cui cum cun cuu ebb ebc ebe ebf ebi ebm ebn ebu ec- ecb ecc ece ecf eci ecm ecn ecu eeb eec eee eef eem een ef- efb efc efe eff efi efm eib eic eie eif eii eim ein eiu em- emb emc eme emf emi emm emn emu en- enb enc ene enf eni enm enn enu eu- eub euc eue euf eui eun fbb fbc fbe fbf fbi fbm fbn fbu fcb fcc fce fcf fci fcm fcn fcu feb fec fee fef fei fem fen feu ffc ffe fff ffi ffm ffn ffu fib fic fie fif fii fim fin fiu fmb fmc fme fmf fmi fmm fmn fmu fnb fnc fne fnf fni fnm fnn fnu fub fue fuf fui fum fun fuu i-f ibb ibc ibe ibf ibi ibm ibn ibu icb icc ice icf ici icm icn icu ie- iec iee ief iei iem ien ifb ifc ife iff ifi ifm ifn ifu iib iic iie iif iii iim iin iiu im- imb imc ime imf imi imm imn imu in- inb inc ine inf ini inm inn inu iu- iub iuc iue iui ium m-f mbb mbc mbe mbf mbi mbm mbu mc- mcb mcc mce mcf mci mcm mcn mcu meb mec mee mef mei mem men meu mfb mfc mfe mff mfi mfm mfn mfu mi- mib mic mie mif mii mim min miu mmb mmc mme mmf mmi mmm mmn mmu mnb mnc mne mnf mni mnm mnn mnu mub muc mue muf mui mum mun muu n-i nbb nbc nbe nbf nbi nbm nbn nbu ncb ncc nce ncf nci ncm ncn ncu ne- neb nec nee nef nei nem nen neu nfb nfc nfe nff nfi nfn nfu nib nic nie nif nii nim nin niu nmb nmc nme nmi nmm nmn nmu nnb nnc nne nnf nni nnm nnn nnu nub nuc nue nui num nun nuu ubb ubc ube ubf ubi ubn ubu ucb ucc uce ucf uci ucm ucn ucu ueb uec uee uef uei uem uen ufc ufe uff ufi ufm ufn ufu uib uic uie uif uii uim uin uiu um- umb umc ume umf umi umm umn umu un- unb unc une unf uni unm unn unu uuc uue uum uun uuu