-ic b-u bbb bbc bbe bbi bbl bbm bbu bcb bcc bce bci bcl bcm bcu be- beb bec bee bei bel bem beu bi- bib bic bie bii bil bim biu blb blc ble bli bll blm blu bmb bmc bme bmi bml bmm bmu bub buc bue bui bul bum buu c-- cbb cbc cbe cbi cbl cbm cbu ccb ccc cce cci ccl ccm ccu ce- ceb cec cee cei cel cem ceu ci- cib cic cie cii cil cim ciu cl- clb clc cle cli cll clm clu cmb cmc cme cmi cml cmm cmu cub cuc cue cui cul cum cuu ebb ebc ebe ebi ebl ebm ebu ec- ecb ecc ece eci ecl ecm ecu eeb eec eee eel eem eib eic eie eii eil eim eiu elb elc ele eli ell elm elu em- emb emc eme emi eml emm emu eu- eub euc eue eui eul ibb ibc ibe ibi ibl ibm ibu icb icc ice ici icl icm icu ie- iec iee iei iel iem iib iic iie iii iil iim iiu il- ilb ilc ile ili ill ilm ilu im- imb imc ime imi iml imm imu iu- iub iuc iue iui ium lbb lbc lbe lbi lbl lbm lbu lcb lcc lce lci lcl lcm lcu leb lec lee lei lel lem leu lib lic lie lii lil lim liu llb llc lle lli lll llm llu lmb lmc lme lmi lml lmm lmu lub luc lue lui lul lum luu mbb mbc mbe mbi mbl mbm mbu mc- mcb mcc mce mci mcl mcm mcu meb mec mee mei mel mem meu mi- mib mic mie mii mil mim miu mlb mlc mle mli mll mlm mlu mmb mmc mme mmi mml mmm mmu mub muc mue mui mul mum muu ubb ubc ube ubi ubl ubu ucb ucc uce uci ucl ucm ucu ueb uec uee uei uel uem uib uic uie uii uil uim uiu ulb ulc ule uli ull ulm ulu um- umb umc ume umi uml umm umu uuc uue uum uuu