-ic -up b-p b-u bbb bbc bbe bbi bbk bbp bbs bbu bcb bcc bce bci bck bcp bcs bcu be- beb bec bee bei bek bep bes beu bi- bib bic bie bii bik bip bis biu bkb bkc bke bkk bkp bks bpb bpc bpe bpi bpp bps bpu bsb bsc bse bsi bsk bsp bss bsu bub buc bue bui buk bup bus buu c-- cbb cbc cbe cbi cbk cbp cbs cbu ccb ccc cce cci cck ccp ccs ccu ce- ceb cec cee cei cek cep ces ceu ci- cib cic cie cii cik cip cis ciu ckb ckc cki cks cpb cpc cpe cpi cpk cpp cps cpu csb csc cse csi csk csp css csu cub cuc cue cui cuk cup cus cuu ebb ebc ebe ebi ebk ebp ebs ebu ec- ecb ecc ece eci eck ecs ecu eeb eec eee eek eep ees eib eic eie eii eik eip eis eiu ekb ekc eke eki ekp eks eku ep- epb epc epe epi epp eps epu es- esb esc ese esi esk esp ess esu eu- eub euc eue eui eup eus ibb ibc ibe ibi ibk ibp ibs ibu icb icc ice ici ick icp ics icu ie- iec iee iei iek iep ies iib iic iie iii iip iis iiu ikb ikc ike iki ikk iks iku ipb ipc ipe ipi ipp ips ipu is- isb isc ise isi isk isp iss isu iu- iub iuc iue iui iup ius kbb kbc kbe kbi kbk kbp kbs kbu kcb kcc kce kci kck kcp kcs kcu ke- keb kec kee kei kek kep kes kib kic kie kii kik kip kis kiu kkb kkc kke kki kkk kkp kks kku kpc kpe kpi kpk kpp kps kpu ksb ksc kse ksi ksk ksp kss ksu kub kuc kue kui kuk kup kus kuu p-p pbb pbc pbe pbi pbk pbp pbs pbu pcb pcc pce pci pck pcp pcs pcu peb pec pee pei pek pep pes peu pib pic pie pii pik pip pis piu pkb pkc pke pki pkp pks pku ppb ppc ppe ppi ppk ppp pps ppu ps- psb psc pse psi psk psp pss psu pub puc pue pui puk pup pus puu sbb sbc sbe sbi sbk sbp sbs sbu scb scc sce sci sck scp scs scu se- seb sec see sei sek sep ses seu sib sic sie sii sik sip sis siu sk- skb skc ske ski skk skp sks sku spb spc spe spi spk spp sps spu ss- ssb ssc sse ssi ssk ssp sss ssu sub suc sue sui suk sup sus suu ubb ubc ube ubi ubk ubp ubs ubu ucb ucc uce uci uck ucp ucs ucu ueb uec uee uei uep ues uib uic uie uii uip uis uiu ukb ukc uke uki ukk ukp uku up- upb upc upe upi upk upp ups upu usb usc use usi usk usp uss usu uuc uue uus uuu