-ic b-u bbb bbc bbe bbi bbn bbu bcb bcc bce bci bcn bcu be- beb bec bee bei ben beu bi- bib bic bie bii bin biu bnb bnc bne bni bnn bnu bub buc bue bui bun buu c-- cbb cbc cbe cbi cbn cbu ccb ccc cce cci ccn ccu ce- ceb cec cee cei cen ceu ci- cib cic cie cii cin ciu cn- cnb cnc cne cni cnn cnu cub cuc cue cui cun cuu ebb ebc ebe ebi ebn ebu ec- ecb ecc ece eci ecn ecu eeb eec eee een eib eic eie eii ein eiu en- enb enc ene eni enn enu eu- eub euc eue eui eun ibb ibc ibe ibi ibn ibu icb icc ice ici icn icu ie- iec iee iei ien iib iic iie iii iin iiu in- inb inc ine ini inn inu iu- iub iuc iue iui n-i nbb nbc nbe nbi nbn nbu ncb ncc nce nci ncn ncu ne- neb nec nee nei nen neu nib nic nie nii nin niu nnb nnc nne nni nnn nnu nub nuc nue nui nun nuu ubb ubc ube ubi ubn ubu ucb ucc uce uci ucn ucu ueb uec uee uei uen uib uic uie uii uin uiu un- unb unc une uni unn unu uuc uue uun uuu