-th b-u bbb bbc bbe bbh bbk bbm bbt bbu bcb bcc bce bch bck bcm bct bcu be- beb bec bee beh bek bem bet beu bhb bhc bhe bhh bhk bhm bht bhu bkb bkc bke bkk bkm bkt bmb bmc bme bmh bmk bmm bmt bmu btb btc bte bth btk btm btt btu bub buc bue buh buk bum but buu c-- cbb cbc cbe cbh cbk cbm cbt cbu ccb ccc cce cch cck ccm cct ccu ce- ceb cec cee ceh cek cem cet ceu ch- chb chc che chh chk chm cht chu ckb ckc ckh ckm ckt cmb cmc cme cmh cmk cmm cmt cmu ctb ctc cte cth ctk ctm ctt ctu cub cuc cue cuh cuk cum cut cuu ebb ebc ebe ebh ebk ebm ebt ebu ec- ecb ecc ece ech eck ecm ect ecu eeb eec eee eek eem eet ehb ehc ehe ehh ehm eht ehu ekb ekc eke ekh ekt eku em- emb emc eme emh emk emm emt emu etb etc ete eth etk etm ett etu eu- eub euc eue eut hbb hbc hbe hbh hbk hbm hbt hbu hcb hcc hce hch hck hcm hct he- heb hec hee heh hek hem het heu hhb hhc hhe hhh hhk hhm hht hhu hkb hkh hkk hkm hkt hku hmb hmc hme hmh hmk hmm hmt hmu htb htc hte hth htk htm htt hub huc hue huh huk hum hut huu k-t kbb kbc kbe kbh kbk kbm kbu kcb kcc kce kch kck kcm kct kcu ke- keb kec kee keh kek kem ket khe khh khk khm khu kkb kkc kke kkh kkk kkm kkt kku kmb kmc kme kmh kmk kmm kmt kmu ktb ktc kte kth ktk ktm ktt ktu kub kuc kue kuh kuk kum kut kuu mbb mbc mbe mbh mbk mbm mbt mbu mc- mcb mcc mce mch mck mcm mct mcu meb mec mee meh mek mem met meu mhc mhh mhk mhm mht mhu mkb mkc mke mkh mkk mkm mkt mku mmb mmc mme mmh mmk mmm mmt mmu mtb mtc mte mth mtk mtm mtt mtu mub muc mue muh muk mum mut muu tbb tbc tbe tbh tbk tbm tbt tbu tcb tcc tce tch tck tcm tct tcu te- teb tec tee teh tek tem tet teu th- thb thc the thh thk thm tht thu tkb tkc tke tkk tkm tkt tmb tmc tme tmh tmk tmm tmt tmu ttb ttc tte tth ttk ttm ttt ttu tub tuc tue tuh tuk tum tut tuu ubb ubc ube ubh ubk ubt ubu ucb ucc uce uch uck ucm uct ucu ueb uec uee ueh uem uet uhb uhc uhe uhh uhm uht uhu ukb ukc uke ukk uku um- umb umc ume umh umm umt umu utb utc ute uth utk utm utt utu uuc uue uum uut uuu