-th b-p bbb bbc bbe bbh bbk bbo bbp bbt bcb bcc bce bch bck bco bcp bct be- beb bec bee beh bek beo bep bet bhb bhc bhe bhh bhk bho bhp bht bkb bkc bke bkk bko bkp bkt bob boc boe boh bok boo bop bot bpb bpc bpe bph bpo bpp bpt btb btc bte bth btk bto btp btt c-- cbb cbc cbe cbh cbk cbo cbp cbt ccb ccc cce cch cck cco ccp cct ce- ceb cec cee ceh cek ceo cep cet ch- chb chc che chh chk cho chp cht ckb ckc ckh cko ckt co- cob coc coe coh cok coo cop cot cpb cpc cpe cph cpk cpo cpp cpt ctb ctc cte cth ctk cto ctp ctt ebb ebc ebe ebh ebk ebo ebp ebt ec- ecb ecc ece ech eck eco ect eeb eec eee eek eeo eep eet ehb ehc ehe ehh eho ehp eht ekb ekc eke ekh eko ekp ekt eo- eob eoc eoe eoh eok eoo eop eot ep- epb epc epe eph epo epp ept etb etc ete eth etk eto etp ett hbb hbc hbe hbh hbk hbo hbp hbt hcb hcc hce hch hck hco hcp hct he- heb hec hee heh hek heo hep het hhb hhc hhe hhh hhk hho hhp hht hkb hkh hkk hko hkp hkt hob hoc hoe hoh hok hoo hop hot hpb hpc hpe hph hpk hpo hpp hpt htb htc hte hth htk hto htp htt k-t kbb kbc kbe kbh kbk kbo kbp kcb kcc kce kch kck kcp kct ke- keb kec kee keh kek keo kep ket khe khh khk kho kkb kkc kke kkh kkk kkp kkt kob koc koe koh kok koo kop kot kpc kpe kph kpk kpo kpp kpt ktb ktc kte kth ktk kto ktp ktt ob- obb obc obe obh obk obo obp obt oc- ocb occ och ock oco ocp oct oeb oec oee oeh oeo oep oet ohc ohe ohh oho ohp oht okb okc oke okk oko okp oo- oob ooc ooh ook ooo oop oot op- opb opc ope oph opk opo opp opt ot- otb otc ote oth otk oto otp ott p-p pbb pbc pbe pbk pbo pbp pbt pcb pcc pce pch pck pco pcp pct peb pec pee peh pek peo pep pet phb phc phe phk pho php pht pkb pkc pke pko pkp pkt pob poc poe poh pok poo pop pot ppb ppc ppe pph ppk ppo ppp ppt pt- ptb ptc pte pth ptk pto ptp ptt tbb tbc tbe tbh tbk tbo tbp tbt tcb tcc tce tch tck tco tcp tct te- teb tec tee teh tek teo tep tet th- thb thc the thh thk tho thp tht tkb tkc tke tkk tko tkp tkt to- tob toc toe toh tok too top tot tpb tpc tpe tph tpk tpo tpp tpt ttb ttc tte tth ttk tto ttp ttt