-up c-- ccc ccd ccf cco ccp ccs cct ccu cdc cdd cdf cdo cdp cds cdt cdu cdy cfc cfd cff cfo cfp cfs cft cfu co- coc cod cof coo cop cos cot cou coy cpc cpd cpf cpo cpp cps cpt cpu csc csd csf cso csp css cst csu csy ctc ctd ctf cto ctp cts ctt ctu cty cuc cud cuf cuo cup cus cut cuu cuy cyc cyd cyf cyo cyp cys cyt dcc dcd dcf dco dcp dcs dct dcu ddc ddd ddf ddo ddp dds ddt ddu ddy dfc dfd dff dfo dfp dfs dft dfu doc dod dof doo dop dos dot dou doy dpc dpd dpf dpo dpp dps dpt dpu dsc dsd dsf dso dsp dss dst dsu dsy dtc dtd dtf dto dtp dts dtt dtu dty duc dud duf duo dup dus dut duy dy- dyc dyd dyo dyp dys dyu dyy fcc fcd fcf fco fcp fcs fct fcu fcy fdc fdd fdf fdo fdp fds fdt fdu ffc ffd fff ffo ffp ffs fft ffu ffy foc fof foo fop fos fot fou foy fpc fpd fpo fpp fps fpt fpu fpy fsc fsd fsf fso fsp fss fst fsu ftc ftd ftf fto ftp fts ftt ftu fty fud fuf fuo fup fus fut fuu fy- fyc fyo fyp oc- occ ocd ocf oco ocp ocs oct ocu odc odd odf odo odp ods odt odu of- ofc ofd off ofo ofp ofs oft ofu oo- ooc ood oof ooo oop oos oot op- opc opd opf opo opp ops opt opy os- osc osd osf oso osp oss ost osu ot- otc otd otf oto otp ots ott otu ou- ouc oud ouf ouo oup ous out oyd oyo oys p-p pcc pcd pcf pco pcp pcs pct pcu pdc pdd pdf pdo pdp pds pdt pdu pfc pfd pff pfo pfp pfs pft pfu pfy poc pod pof poo pop pos pot pou poy ppc ppd ppf ppo ppp pps ppt ppu ps- psc psd psf pso psp pss pst psu psy pt- ptc ptd ptf pto ptp pts ptt ptu pty puc pud puf pup pus put puu puy py- pyc pyd pyf pyo pys pyt pyu scc scd scf sco scp scs sct scu sdc sdd sdf sdo sdp sds sdt sdu sdy sfc sfd sff sfo sfp sfs sft sfu soc sod sof soo sop sos sot sou soy spc spd spf spo spp sps spt spu spy ss- ssc ssd ssf sso ssp sss sst ssu stc std stf sto stp sts stt stu sty suc sud suf suo sup sus sut suu suy sy- syc syd syp sys syt syu tcc tcd tcf tco tcp tcs tct tcu tdc tdd tdf tdo tdp tds tdt tdu tdy tfc tfd tff tfo tfp tfs tft tfu to- toc tod tof too top tos tot tou toy tpc tpd tpf tpo tpp tps tpt tpu tsc tsd tsf tso tsp tss tst tsu tsy ttc ttd ttf tto ttp tts ttt ttu tty tuc tud tuf tuo tup tus tut tuu tuy tyc tyd tyf tyo typ tys tyt ucc ucd ucf uco ucp ucs uct ucu udc udd udf udo udp uds udt udu ufc ufd uff ufo ufp ufs uft ufu uoc uod uoo uop uos uot up- upc upd upf upo upp ups upt upu usc usd usf uso usp uss ust usu utc utd utf uto utp uts utt utu uty uuc uus uut uuu uyc uyo uys uyu ycc ycd ycf yco ycp ycs ycu ycy ydo yds ydt ydy yfc yfd yff yfs yft yfu yoc yod yof yoo yop yos yot you yoy ypd ypf ypo yps ypu ysc yso ysp yss yst ysu ysy ytc ytd ytf yto ytp yts ytt ytu yud yuo yup yus yut yuu yuy yyc yyf yys yyt yyu yyy