b-u bbb bbc bbe bbh bbk bbs bbu bcb bcc bce bch bck bcs bcu be- beb bec bee beh bek bes beu bhb bhc bhe bhh bhk bhs bhu bkb bkc bke bkk bks bsb bsc bse bsh bsk bss bsu bub buc bue buh buk bus buu c-- cbb cbc cbe cbh cbk cbs cbu ccb ccc cce cch cck ccs ccu ce- ceb cec cee ceh cek ces ceu ch- chb chc che chh chk chs chu ckb ckc ckh cks csb csc cse csh csk css csu cub cuc cue cuh cuk cus cuu ebb ebc ebe ebh ebk ebs ebu ec- ecb ecc ece ech eck ecs ecu eeb eec eee eek ees ehb ehc ehe ehh ehs ehu ekb ekc eke ekh eks eku es- esb esc ese esh esk ess esu eu- eub euc eue eus hbb hbc hbe hbh hbk hbs hbu hcb hcc hce hch hck hcs he- heb hec hee heh hek hes heu hhb hhc hhe hhh hhk hhs hhu hkb hkh hkk hks hku hsb hsc hse hsh hsk hss hsu hub huc hue huh huk hus huu kbb kbc kbe kbh kbk kbs kbu kcb kcc kce kch kck kcs kcu ke- keb kec kee keh kek kes khe khh khk khs khu kkb kkc kke kkh kkk kks kku ksb ksc kse ksh ksk kss ksu kub kuc kue kuh kuk kus kuu sbb sbc sbe sbh sbk sbs sbu scb scc sce sch sck scs scu se- seb sec see seh sek ses seu sh- shb shc she shh shk shs shu sk- skb skc ske skh skk sks sku ss- ssb ssc sse ssh ssk sss ssu sub suc sue suh suk sus suu ubb ubc ube ubh ubk ubs ubu ucb ucc uce uch uck ucs ucu ueb uec uee ueh ues uhb uhc uhe uhh uhs uhu ukb ukc uke ukk uku usb usc use ush usk uss usu uuc uue uus uuu