c-- ccc ccd ccn cco ccp ccs cct cdc cdd cdn cdo cdp cds cdt cdy cn- cnc cnd cnn cno cnp cns cnt cny co- coc cod con coo cop cos cot coy cpc cpd cpn cpo cpp cps cpt csc csd csn cso csp css cst csy ctc ctd ctn cto ctp cts ctt cty cyc cyd cyn cyo cyp cys cyt dcc dcd dcn dco dcp dcs dct ddc ddd ddn ddo ddp dds ddt ddy dnc dnd dnn dno dnp dns dnt dny doc dod don doo dop dos dot doy dpc dpd dpn dpo dpp dps dpt dsc dsd dsn dso dsp dss dst dsy dtc dtd dtn dto dtp dts dtt dty dy- dyc dyd dyn dyo dyp dys dyy ncc ncd ncn nco ncp ncs nct ndc ndd ndn ndo ndp nds ndt ndy nnc nnn nno nnp nns nnt no- noc nod non noo nop nos not noy npc npd npn npo npp nps npt nsc nsd nsn nso nsp nss nst nsy ntc ntd ntn nto ntp nts ntt nyc nyd nyn nyo nyp nys nyt nyy oc- occ ocd ocn oco ocp ocs oct odc odd odn odo odp ods odt on- onc ond onn ono onp ons ont ony oo- ooc ood oon ooo oop oos oot op- opc opd opn opo opp ops opt opy os- osc osd osn oso osp oss ost ot- otc otd otn oto otp ots ott oyd oyo oys p-p pcc pcd pcn pco pcp pcs pct pdc pdd pdn pdo pdp pds pdt pn- pnc pnd pnn pno pnp pns pnt pny poc pod pon poo pop pos pot poy ppc ppd ppn ppo ppp pps ppt ps- psc psd psn pso psp pss pst psy pt- ptc ptd ptn pto ptp pts ptt pty py- pyc pyd pyn pyo pys pyt scc scd scn sco scp scs sct sdc sdd sdn sdo sdp sds sdt sdy snc snd snn sno snp sns snt sny soc sod son soo sop sos sot soy spc spd spn spo spp sps spt spy ss- ssc ssd ssn sso ssp sss sst stc std stn sto stp sts stt sty sy- syc syd syn syp sys syt tcc tcd tcn tco tcp tcs tct tdc tdd tdn tdo tdp tds tdt tdy tnc tnd tnn tno tnp tns tnt to- toc tod ton too top tos tot toy tpc tpd tpn tpo tpp tps tpt tsc tsd tsn tso tsp tss tst tsy ttc ttd ttn tto ttp tts ttt tty tyc tyd tyn tyo typ tys tyt ycc ycd yco ycp ycs ycy ydn ydo yds ydt ydy ynd ynn ynp yns yny yoc yod yon yoo yop yos yot yoy ypd ypo yps ysc yso ysp yss yst ysy ytc ytd ytn yto ytp yts ytt yyc yys yyt yyy