-ic b-u bbb bbc bbd bbe bbi bbl bbm bbs bbu bcb bcc bcd bce bci bcl bcm bcs bcu bdb bdc bdd bde bdi bdl bdm bds bdu be- beb bec bed bee bei bel bem bes beu bi- bib bic bid bie bii bil bim bis biu blb blc bld ble bli bll blm bls blu bmb bmc bmd bme bmi bml bmm bms bmu bsb bsc bsd bse bsi bsl bsm bss bsu bub buc bud bue bui bul bum bus buu c-- cbb cbc cbd cbe cbi cbl cbm cbs cbu ccb ccc ccd cce cci ccl ccm ccs ccu cdb cdc cdd cde cdi cdl cdm cds cdu ce- ceb cec ced cee cei cel cem ces ceu ci- cib cic cid cie cii cil cim cis ciu cl- clb clc cld cle cli cll clm cls clu cmb cmc cmd cme cmi cml cmm cms cmu csb csc csd cse csi csl csm css csu cub cuc cud cue cui cul cum cus cuu dbb dbc dbd dbe dbi dbl dbm dbs dbu dcb dcc dcd dce dci dcl dcm dcs dcu ddb ddc ddd dde ddi ddl ddm dds ddu de- deb dec ded dee dei del dem des deu di- dib dic did die dii dil dim dis diu dl- dlb dlc dld dle dli dll dlm dls dlu dmb dmc dmd dme dmi dml dmm dms dmu dsb dsc dsd dse dsi dsl dsm dss dsu dub duc dud due dui dul dum dus ebb ebc ebd ebe ebi ebl ebm ebs ebu ec- ecb ecc ecd ece eci ecl ecm ecs ecu ed- edb edc edd ede edi edl edm eds edu eeb eec eed eee eel eem ees eib eic eid eie eii eil eim eis eiu elb elc eld ele eli ell elm els elu em- emb emc emd eme emi eml emm ems emu es- esb esc esd ese esi esl esm ess esu eu- eub euc eud eue eui eul eus i-d ibb ibc ibd ibe ibi ibl ibm ibs ibu icb icc icd ice ici icl icm ics icu idb idc idd ide idi idl idm ids idu ie- iec ied iee iei iel iem ies iib iic iid iie iii iil iim iis iiu il- ilb ilc ild ile ili ill ilm ils ilu im- imb imc imd ime imi iml imm ims imu is- isb isc isd ise isi isl ism iss isu iu- iub iuc iud iue iui ium ius lbb lbc lbd lbe lbi lbl lbm lbs lbu lcb lcc lcd lce lci lcl lcm lcs lcu ldb ldc ldd lde ldi ldl ldm lds ldu leb lec led lee lei lel lem les leu lib lic lid lie lii lil lim lis liu llb llc lld lle lli lll llm lls llu lmb lmc lmd lme lmi lml lmm lms lmu lsb lsc lsd lse lsi lsl lsm lss lsu lub luc lud lue lui lul lum lus luu mbb mbc mbd mbe mbi mbl mbm mbs mbu mc- mcb mcc mcd mce mci mcl mcm mcs mcu mdb mdc mdd mde mdi mdl mdm mds mdu meb mec med mee mei mel mem mes meu mi- mib mic mid mie mii mil mim mis miu mlb mlc mld mle mli mll mlm mls mlu mmb mmc mmd mme mmi mml mmm mms mmu msb msc msd mse msi msl msm mss msu mub muc mud mue mui mul mum mus muu sbb sbc sbd sbe sbi sbl sbm sbs sbu scb scc scd sce sci scl scm scs scu sdb sdc sdd sde sdi sdl sdm sds sdu se- seb sec sed see sei sel sem ses seu sib sic sid sie sii sil sim sis siu slb slc sld sle sli sll slm sls slu smb smc smd sme smi sml smm sms smu ss- ssb ssc ssd sse ssi ssl ssm sss ssu sub suc sud sue sui sul sum sus suu ubb ubc ube ubi ubl ubs ubu ucb ucc ucd uce uci ucl ucm ucs ucu udb udc udd ude udi udl udm uds udu ueb uec ued uee uei uel uem ues uib uic uid uie uii uil uim uis uiu ulb ulc uld ule uli ull ulm uls ulu um- umb umc umd ume umi uml umm ums umu usb usc usd use usi usl usm uss usu uuc uue uum uus uuu