c-- ccc ccd cce ccn cco ccp ccs cct cdc cdd cde cdn cdo cdp cds cdt ce- cec ced cee cen ceo cep ces cet cn- cnc cnd cne cnn cno cnp cns cnt co- coc cod coe con coo cop cos cot cpc cpd cpe cpn cpo cpp cps cpt csc csd cse csn cso csp css cst ctc ctd cte ctn cto ctp cts ctt dcc dcd dce dcn dco dcp dcs dct ddc ddd dde ddn ddo ddp dds ddt de- dec ded dee den deo dep des det dnc dnd dne dnn dno dnp dns dnt doc dod doe don doo dop dos dot dpc dpd dpe dpn dpo dpp dps dpt dsc dsd dse dsn dso dsp dss dst dtc dtd dte dtn dto dtp dts dtt ec- ecc ecd ece ecn eco ecs ect ed- edc edd ede edn edo edp eds edt eec eed eee een eeo eep ees eet en- enc end ene enn eno enp ens ent eo- eoc eod eoe eon eoo eop eos eot ep- epc epd epe epn epo epp eps ept es- esc esd ese esn eso esp ess est etc etd ete etn eto etp ets ett ncc ncd nce ncn nco ncp ncs nct ndc ndd nde ndn ndo ndp nds ndt ne- nec ned nee nen neo nep nes net nnc nne nnn nno nnp nns nnt no- noc nod noe non noo nop nos not npc npd npe npn npo npp nps npt nsc nsd nse nsn nso nsp nss nst ntc ntd nte ntn nto ntp nts ntt oc- occ ocd ocn oco ocp ocs oct odc odd ode odn odo odp ods odt oec oed oee oen oeo oep oes oet on- onc ond one onn ono onp ons ont oo- ooc ood oon ooo oop oos oot op- opc opd ope opn opo opp ops opt os- osc osd ose osn oso osp oss ost ot- otc otd ote otn oto otp ots ott p-p pcc pcd pce pcn pco pcp pcs pct pdc pdd pde pdn pdo pdp pds pdt pec ped pee pen peo pep pes pet pn- pnc pnd pne pnn pno pnp pns pnt poc pod poe pon poo pop pos pot ppc ppd ppe ppn ppo ppp pps ppt ps- psc psd pse psn pso psp pss pst pt- ptc ptd pte ptn pto ptp pts ptt scc scd sce scn sco scp scs sct sdc sdd sde sdn sdo sdp sds sdt se- sec sed see sen seo sep ses set snc snd sne snn sno snp sns snt soc sod soe son soo sop sos sot spc spd spe spn spo spp sps spt ss- ssc ssd sse ssn sso ssp sss sst stc std ste stn sto stp sts stt tcc tcd tce tcn tco tcp tcs tct tdc tdd tde tdn tdo tdp tds tdt te- tec ted tee ten teo tep tes tet tnc tnd tne tnn tno tnp tns tnt to- toc tod toe ton too top tos tot tpc tpd tpe tpn tpo tpp tps tpt tsc tsd tse tsn tso tsp tss tst ttc ttd tte ttn tto ttp tts ttt