-up b-p b-u bbb bbc bbe bbk bbo bbp bbq bbt bbu bcb bcc bce bck bco bcp bcq bct bcu be- beb bec bee bek beo bep beq bet beu bkb bkc bke bkk bko bkp bkq bkt bob boc boe bok boo bop boq bot bou bpb bpc bpe bpo bpp bpt bpu bqc bqe bqp bqt btb btc bte btk bto btp btq btt btu bub buc bue buk buo bup but buu c-- cbb cbc cbe cbk cbo cbp cbq cbt cbu ccb ccc cce cck cco ccp cct ccu ce- ceb cec cee cek ceo cep ceq cet ceu ckb ckc cko ckt co- cob coc coe cok coo cop coq cot cou cpb cpc cpe cpk cpo cpp cpq cpt cpu cqb cqc cqo cqt ctb ctc cte ctk cto ctp ctq ctt ctu cub cuc cue cuk cuo cup cuq cut cuu ebb ebc ebe ebk ebo ebp ebq ebt ebu ec- ecb ecc ece eck eco ecq ect ecu eeb eec eee eek eeo eep eet ekb ekc eke eko ekp ekt eku eo- eob eoc eoe eok eoo eop eoq eot eou ep- epb epc epe epo epp epq ept epu eqe eqp eqq eqt equ etb etc ete etk eto etp ett etu eu- eub euc eue eup eut k-t kbb kbc kbe kbk kbo kbp kbu kcb kcc kce kck kcp kct kcu ke- keb kec kee kek keo kep ket kkb kkc kke kkk kkp kkt kku kob koc koe kok koo kop kot kou kpc kpe kpk kpo kpp kpq kpt kpu ktb ktc kte ktk kto ktp ktt ktu kub kuc kue kuk kup kut kuu ob- obb obc obe obk obo obp obt obu oc- ocb occ ock oco ocp oct ocu oeb oec oee oeo oep oet okb okc oke okk oko okp oku oo- oob ooc ook ooo oop oot op- opb opc ope opk opo opp opq opt oqb oqo ot- otb otc ote otk oto otp ott otu ou- ouc oue ouk ouo oup out p-p pbb pbc pbe pbk pbo pbp pbt pbu pcb pcc pce pck pco pcp pcq pct pcu peb pec pee pek peo pep pet peu pkb pkc pke pko pkp pkt pku pob poc poe pok poo pop pot pou ppb ppc ppe ppk ppo ppp ppq ppt ppu pqq pt- ptb ptc pte ptk pto ptp ptq ptt ptu pub puc pue puk pup put puu qbc qbe qbq qcc qco qcp qct qec qee qeo qep qet qoo qop qpc qpp qqk qqq qqu qtc qto qtq qu- que quo qut tbb tbc tbe tbk tbo tbp tbt tbu tcb tcc tce tck tco tcp tct tcu te- teb tec tee tek teo tep teq tet teu tkb tkc tke tkk tko tkp tkt to- tob toc toe tok too top toq tot tou tpb tpc tpe tpk tpo tpp tpq tpt tpu tqo ttb ttc tte ttk tto ttp ttt ttu tub tuc tue tuk tuo tup tut tuu ubb ubc ube ubk ubo ubp ubt ubu ucb ucc uce uck uco ucp uct ucu ueb uec uee uep uet ukb ukc uke ukk ukp uku uob uoc uoe uok uoo uop uot up- upb upc upe upk upo upp upt upu utb utc ute utk uto utp utt utu uuc uue uut uuu