-up c-- ccc ccf cco ccp ccr ccs cct ccu cfc cff cfo cfp cfr cfs cft cfu co- coc cof coo cop cor cos cot cou coy cpc cpf cpo cpp cpr cps cpt cpu crc crf cro crp crr crs crt cru cry csc csf cso csp csr css cst csu csy ctc ctf cto ctp ctr cts ctt ctu cty cuc cuf cuo cup cur cus cut cuu cuy cyc cyf cyo cyp cyr cys cyt fcc fcf fco fcp fcr fcs fct fcu fcy ffc fff ffo ffp ffr ffs fft ffu ffy foc fof foo fop for fos fot fou foy fpc fpo fpp fpr fps fpt fpu fpy frc frf fro frp frr frs frt fru fry fsc fsf fso fsp fsr fss fst fsu ftc ftf fto ftp ftr fts ftt ftu fty fuf fuo fup fur fus fut fuu fy- fyc fyo fyp oc- occ ocf oco ocp ocr ocs oct ocu of- ofc off ofo ofp ofr ofs oft ofu oo- ooc oof ooo oop oor oos oot op- opc opf opo opp opr ops opt opy or- orc orf oro orp orr ors ort oru ory os- osc osf oso osp osr oss ost osu ot- otc otf oto otp otr ots ott otu ou- ouc ouf ouo oup our ous out oyo oys p-p pcc pcf pco pcp pcr pcs pct pcu pfc pff pfo pfp pfr pfs pft pfu pfy poc pof poo pop por pos pot pou poy ppc ppf ppo ppp ppr pps ppt ppu prc prf pro prp prr prs prt pru pry ps- psc psf pso psp psr pss pst psu psy pt- ptc ptf pto ptp ptr pts ptt ptu pty puc puf pup pur pus put puu puy py- pyc pyf pyo pyr pys pyt pyu rcc rcf rco rcp rcr rcs rct rcu rfc rff rfo rfp rfr rfs rft rfu roc rof roo rop ror ros rot rou roy rpc rpf rpo rpp rpr rps rpt rpu rrc rrf rrp rrr rrs rrt rru rsc rsf rso rsp rsr rss rst rsu rtc rtf rto rtp rtr rts rtt rtu rty ruc ruf ruo rup rur rus rut ruu ruy ry- ryc ryf ryo ryr rys ryu ryy scc scf sco scp scr scs sct scu sfc sff sfo sfp sfr sfs sft sfu soc sof soo sop sor sos sot sou soy spc spf spo spp spr sps spt spu spy sr- src srf sro srp srr srs srt sry ss- ssc ssf sso ssp ssr sss sst ssu stc stf sto stp str sts stt stu sty suc suf suo sup sur sus sut suu suy sy- syc syp syr sys syt syu tcc tcf tco tcp tcr tcs tct tcu tfc tff tfo tfp tfr tfs tft tfu to- toc tof too top tor tos tot tou toy tpc tpf tpo tpp tpr tps tpt tpu trc trf tro trp trr trs trt tru try tsc tsf tso tsp tsr tss tst tsu tsy ttc ttf tto ttp ttr tts ttt ttu tty tuc tuf tuo tup tur tus tut tuu tuy tyc tyf tyo typ tyr tys tyt ucc ucf uco ucp ucr ucs uct ucu ufc uff ufo ufp ufr ufs uft ufu uoc uoo uop uor uos uot up- upc upf upo upp upr ups upt upu ur- urc urf uro urp urr urs urt uru ury usc usf uso usp usr uss ust usu utc utf uto utp utr uts utt utu uty uuc uur uus uut uuu uyc uyo uys uyu ycc ycf yco ycp ycs ycu ycy yfc yff yfr yfs yft yfu yoc yof yoo yop yor yos yot you yoy ypf ypo yps ypu yrc yrf yro yrp yrs yrt yru ysc yso ysp ysr yss yst ysu ysy ytc ytf yto ytp ytr yts ytt ytu yuo yup yur yus yut yuu yuy yyc yyf yys yyt yyu yyy