b-p bbb bbc bbd bbe bbn bbo bbp bbs bbt bcb bcc bcd bce bcn bco bcp bcs bct bdb bdc bdd bde bdo bdp bds bdt be- beb bec bed bee ben beo bep bes bet bnb bnc bnd bne bnn bno bnp bns bnt bob boc bod boe bon boo bop bos bot bpb bpc bpd bpe bpn bpo bpp bps bpt bsb bsc bsd bse bsn bso bsp bss bst btb btc btd bte btn bto btp bts btt c-- cbb cbc cbd cbe cbn cbo cbp cbs cbt ccb ccc ccd cce ccn cco ccp ccs cct cdb cdc cdd cde cdn cdo cdp cds cdt ce- ceb cec ced cee cen ceo cep ces cet cn- cnb cnc cnd cne cnn cno cnp cns cnt co- cob coc cod coe con coo cop cos cot cpb cpc cpd cpe cpn cpo cpp cps cpt csb csc csd cse csn cso csp css cst ctb ctc ctd cte ctn cto ctp cts ctt dbb dbc dbd dbe dbn dbo dbp dbs dbt dcb dcc dcd dce dcn dco dcp dcs dct ddb ddc ddd dde ddn ddo ddp dds ddt de- deb dec ded dee den deo dep des det dnb dnc dnd dne dnn dno dnp dns dnt dob doc dod doe don doo dop dos dot dpb dpc dpd dpe dpn dpo dpp dps dpt dsb dsc dsd dse dsn dso dsp dss dst dtb dtc dtd dte dtn dto dtp dts dtt ebb ebc ebd ebe ebn ebo ebp ebs ebt ec- ecb ecc ecd ece ecn eco ecs ect ed- edb edc edd ede edn edo edp eds edt eeb eec eed eee een eeo eep ees eet en- enb enc end ene enn eno enp ens ent eo- eob eoc eod eoe eon eoo eop eos eot ep- epb epc epd epe epn epo epp eps ept es- esb esc esd ese esn eso esp ess est etb etc etd ete etn eto etp ets ett nbb nbc nbd nbe nbn nbo nbp nbs nbt ncb ncc ncd nce ncn nco ncp ncs nct ndb ndc ndd nde ndn ndo ndp nds ndt ne- neb nec ned nee nen neo nep nes net nnb nnc nne nnn nno nnp nns nnt no- nob noc nod noe non noo nop nos not npb npc npd npe npn npo npp nps npt nsb nsc nsd nse nsn nso nsp nss nst ntb ntc ntd nte ntn nto ntp nts ntt ob- obb obc obd obe obn obo obp obs obt oc- ocb occ ocd ocn oco ocp ocs oct odb odc odd ode odn odo odp ods odt oeb oec oed oee oen oeo oep oes oet on- onb onc ond one onn ono onp ons ont oo- oob ooc ood oon ooo oop oos oot op- opb opc opd ope opn opo opp ops opt os- osb osc osd ose osn oso osp oss ost ot- otb otc otd ote otn oto otp ots ott p-p pbb pbc pbd pbe pbn pbo pbp pbs pbt pcb pcc pcd pce pcn pco pcp pcs pct pdb pdc pdd pde pdn pdo pdp pds pdt peb pec ped pee pen peo pep pes pet pn- pnb pnc pnd pne pnn pno pnp pns pnt pob poc pod poe pon poo pop pos pot ppb ppc ppd ppe ppn ppo ppp pps ppt ps- psb psc psd pse psn pso psp pss pst pt- ptb ptc ptd pte ptn pto ptp pts ptt sbb sbc sbd sbe sbn sbo sbp sbs sbt scb scc scd sce scn sco scp scs sct sdb sdc sdd sde sdn sdo sdp sds sdt se- seb sec sed see sen seo sep ses set snb snc snd sne snn sno snp sns snt sob soc sod soe son soo sop sos sot spb spc spd spe spn spo spp sps spt ss- ssb ssc ssd sse ssn sso ssp sss sst stb stc std ste stn sto stp sts stt tbb tbc tbd tbe tbn tbo tbp tbs tbt tcb tcc tcd tce tcn tco tcp tcs tct tdb tdc tdd tde tdn tdo tdp tds tdt te- teb tec ted tee ten teo tep tes tet tnb tnc tnd tne tnn tno tnp tns tnt to- tob toc tod toe ton too top tos tot tpb tpc tpd tpe tpn tpo tpp tps tpt tsb tsc tsd tse tsn tso tsp tss tst ttb ttc ttd tte ttn tto ttp tts ttt