-ic b-u bbb bbc bbe bbi bbm bbn bbt bbu bcb bcc bce bci bcm bcn bct bcu be- beb bec bee bei bem ben bet beu bi- bib bic bie bii bim bin bit biu bmb bmc bme bmi bmm bmn bmt bmu bnb bnc bne bni bnn bnt bnu btb btc bte bti btm btn btt btu bub buc bue bui bum bun but buu c-- cbb cbc cbe cbi cbm cbn cbt cbu ccb ccc cce cci ccm ccn cct ccu ce- ceb cec cee cei cem cen cet ceu ci- cib cic cie cii cim cin cit ciu cmb cmc cme cmi cmm cmn cmt cmu cn- cnb cnc cne cni cnm cnn cnt cnu ctb ctc cte cti ctm ctn ctt ctu cub cuc cue cui cum cun cut cuu ebb ebc ebe ebi ebm ebn ebt ebu ec- ecb ecc ece eci ecm ecn ect ecu eeb eec eee eem een eet eib eic eie eii eim ein eit eiu em- emb emc eme emi emm emn emt emu en- enb enc ene eni enm enn ent enu etb etc ete eti etm etn ett etu eu- eub euc eue eui eun eut ibb ibc ibe ibi ibm ibn ibt ibu icb icc ice ici icm icn ict icu ie- iec iee iei iem ien iet iib iic iie iii iim iin iit iiu im- imb imc ime imi imm imn imt imu in- inb inc ine ini inm inn int inu itb itc ite iti itm itn itt itu iu- iub iuc iue iui ium iut mbb mbc mbe mbi mbm mbt mbu mc- mcb mcc mce mci mcm mcn mct mcu meb mec mee mei mem men met meu mi- mib mic mie mii mim min mit miu mmb mmc mme mmi mmm mmn mmt mmu mnb mnc mne mni mnm mnn mnt mnu mtb mtc mte mti mtm mtn mtt mtu mub muc mue mui mum mun mut muu n-i nbb nbc nbe nbi nbm nbn nbt nbu ncb ncc nce nci ncm ncn nct ncu ne- neb nec nee nei nem nen net neu nib nic nie nii nim nin nit niu nmb nmc nme nmi nmm nmn nmt nmu nnb nnc nne nni nnm nnn nnt nnu ntb ntc nte nti ntm ntn ntt ntu nub nuc nue nui num nun nut nuu tbb tbc tbe tbi tbm tbn tbt tbu tcb tcc tce tci tcm tcn tct tcu te- teb tec tee tei tem ten tet teu tib tic tie tii tim tin tit tiu tmb tmc tme tmi tmm tmn tmt tmu tnb tnc tne tni tnm tnn tnt ttb ttc tte tti ttm ttn ttt ttu tub tuc tue tui tum tun tut tuu ubb ubc ube ubi ubn ubt ubu ucb ucc uce uci ucm ucn uct ucu ueb uec uee uei uem uen uet uib uic uie uii uim uin uit uiu um- umb umc ume umi umm umn umt umu un- unb unc une uni unm unn unt unu utb utc ute uti utm utn utt utu uuc uue uum uun uut uuu