b-u bbb bbc bbd bbe bbh bbl bbm bbu bcb bcc bcd bce bch bcl bcm bcu bdb bdc bdd bde bdh bdl bdm bdu be- beb bec bed bee beh bel bem beu bhb bhc bhd bhe bhh bhl bhm bhu blb blc bld ble blh bll blm blu bmb bmc bmd bme bmh bml bmm bmu bub buc bud bue buh bul bum buu c-- cbb cbc cbd cbe cbh cbl cbm cbu ccb ccc ccd cce cch ccl ccm ccu cdb cdc cdd cde cdh cdl cdm cdu ce- ceb cec ced cee ceh cel cem ceu ch- chb chc chd che chh chl chm chu cl- clb clc cld cle clh cll clm clu cmb cmc cmd cme cmh cml cmm cmu cub cuc cud cue cuh cul cum cuu dbb dbc dbd dbe dbh dbl dbm dbu dcb dcc dcd dce dcl dcm dcu ddb ddc ddd dde ddh ddl ddm ddu de- deb dec ded dee deh del dem deu dh- dhb dhc dhd dhe dhh dhl dhm dhu dl- dlb dlc dld dle dlh dll dlm dlu dmb dmc dmd dme dmh dml dmm dmu dub duc dud due duh dul dum ebb ebc ebd ebe ebh ebl ebm ebu ec- ecb ecc ecd ece ech ecl ecm ecu ed- edb edc edd ede edh edl edm edu eeb eec eed eee eel eem ehb ehc ehd ehe ehh ehl ehm ehu elb elc eld ele elh ell elm elu em- emb emc emd eme emh eml emm emu eu- eub euc eud eue eul hbb hbc hbd hbe hbh hbl hbm hbu hcb hcc hcd hce hch hcl hcm hdb hdc hdd hde hdh hdl hdm hdu he- heb hec hed hee heh hel hem heu hhb hhc hhd hhe hhh hhl hhm hhu hlb hlc hld hle hlh hll hlm hlu hmb hmc hmd hme hmh hml hmm hmu hub huc hud hue huh hul hum huu lbb lbc lbd lbe lbh lbl lbm lbu lcb lcc lcd lce lch lcl lcm lcu ldb ldc ldd lde ldh ldl ldm ldu leb lec led lee leh lel lem leu lhb lhc lhd lhh lhu llb llc lld lle lll llm llu lmb lmc lmd lme lmh lml lmm lmu lub luc lud lue luh lul lum luu mbb mbc mbd mbe mbh mbl mbm mbu mc- mcb mcc mcd mce mch mcl mcm mcu mdb mdc mdd mde mdh mdl mdm mdu meb mec med mee meh mel mem meu mhc mhd mhh mhl mhm mhu mlb mlc mld mle mlh mll mlm mlu mmb mmc mmd mme mmh mml mmm mmu mub muc mud mue muh mul mum muu ubb ubc ube ubh ubl ubu ucb ucc ucd uce uch ucl ucm ucu udb udc udd ude udl udm udu ueb uec ued uee ueh uel uem uhb uhc uhd uhe uhh uhl uhm uhu ulb ulc uld ule ull ulm ulu um- umb umc umd ume umh uml umm umu uuc uue uum uuu