-er c-- ccc cce ccf ccm cco ccr ccs cct ccu ce- cec cee cef cem ceo cer ces cet ceu cfc cfe cff cfm cfo cfr cfs cft cfu cmc cme cmf cmm cmo cmr cms cmt cmu co- coc coe cof com coo cor cos cot cou crc cre crf crm cro crr crs crt cru csc cse csf csm cso csr css cst csu ctc cte ctf ctm cto ctr cts ctt ctu cuc cue cuf cum cuo cur cus cut cuu ec- ecc ece ecf ecm eco ecr ecs ect ecu eec eee eef eem eeo eer ees eet ef- efc efe eff efm efo efr efs eft em- emc eme emf emm emo emr ems emt emu eo- eoc eoe eof eom eoo eor eos eot eou erc ere erf erm ero err ers ert eru es- esc ese esf esm eso esr ess est esu etc ete etf etm eto etr ets ett etu eu- euc eue euf eur eus eut fcc fce fcf fcm fco fcr fcs fct fcu fec fee fef fem feo fer fes fet feu ffc ffe fff ffm ffo ffr ffs fft ffu fmc fme fmf fmm fmo fmr fms fmt fmu foc foe fof fom foo for fos fot fou frc fre frf frm fro frr frs frt fru fsc fse fsf fsm fso fsr fss fst fsu ftc fte ftf ftm fto ftr fts ftt ftu fue fuf fum fuo fur fus fut fuu m-f m-o m-r mc- mcc mce mcf mcm mco mcr mcs mct mcu mec mee mef mem meo mer mes met meu mfc mfe mff mfm mfo mfr mfs mft mfu mmc mme mmf mmm mmo mmr mms mmt mmu moc moe mof mom moo mor mos mot mou mrc mre mrf mrm mro mrr mrs mrt mru msc mse msf msm mso msr mss mst msu mtc mte mtf mtm mto mtr mts mtt mtu muc mue muf mum mur mus mut muu oc- occ ocf ocm oco ocr ocs oct ocu oec oee oef oem oeo oer oes oet of- ofc ofe off ofm ofo ofr ofs oft ofu om- omc ome omf omm omo omr oms omt omu oo- ooc oof oom ooo oor oos oot or- orc ore orf orm oro orr ors ort oru os- osc ose osf osm oso osr oss ost osu ot- otc ote otf otm oto otr ots ott otu ou- ouc oue ouf oum ouo our ous out rcc rce rcf rcm rco rcr rcs rct rcu re- rec ree ref rem reo rer res ret reu rfc rfe rff rfm rfo rfr rfs rft rfu rmc rme rmf rmm rmo rmr rms rmt roc roe rof rom roo ror ros rot rou rrc rrf rrm rrr rrs rrt rru rsc rse rsf rsm rso rsr rss rst rsu rtc rte rtf rtm rto rtr rts rtt rtu ruc rue ruf rum ruo rur rus rut ruu scc sce scf scm sco scr scs sct scu se- sec see sef sem seo ser ses set seu sfc sfe sff sfm sfo sfr sfs sft sfu smc sme smf smm smo smr sms smt smu soc soe sof som soo sor sos sot sou sr- src sre srf srm sro srr srs srt ss- ssc sse ssf ssm sso ssr sss sst ssu stc ste stf stm sto str sts stt stu suc sue suf sum suo sur sus sut suu tcc tce tcf tcm tco tcr tcs tct tcu te- tec tee tef tem teo ter tes tet teu tfc tfe tff tfm tfo tfr tfs tft tfu tmc tme tmf tmm tmo tmr tms tmt tmu to- toc toe tof tom too tor tos tot tou trc tre trf trm tro trr trs trt tru tsc tse tsf tsm tso tsr tss tst tsu ttc tte ttf ttm tto ttr tts ttt ttu tuc tue tuf tum tuo tur tus tut tuu ucc uce ucf ucm uco ucr ucs uct ucu uec uee uef uem uer ues uet ufc ufe uff ufm ufo ufr ufs uft ufu um- umc ume umf umm umo umr ums umt umu uoc uoe uom uoo uor uos uot ur- urc ure urf urm uro urr urs urt uru usc use usf usm uso usr uss ust usu utc ute utf utm uto utr uts utt utu uuc uue uum uur uus uut uuu