c-- ccc ccm cco ccr ccs cct ccu cmc cmm cmo cmr cms cmt cmu co- coc com coo cor cos cot cou crc crm cro crr crs crt cru csc csm cso csr css cst csu ctc ctm cto ctr cts ctt ctu cuc cum cuo cur cus cut cuu m-o m-r mc- mcc mcm mco mcr mcs mct mcu mmc mmm mmo mmr mms mmt mmu moc mom moo mor mos mot mou mrc mrm mro mrr mrs mrt mru msc msm mso msr mss mst msu mtc mtm mto mtr mts mtt mtu muc mum mur mus mut muu oc- occ ocm oco ocr ocs oct ocu om- omc omm omo omr oms omt omu oo- ooc oom ooo oor oos oot or- orc orm oro orr ors ort oru os- osc osm oso osr oss ost osu ot- otc otm oto otr ots ott otu ou- ouc oum ouo our ous out rcc rcm rco rcr rcs rct rcu rmc rmm rmo rmr rms rmt roc rom roo ror ros rot rou rrc rrm rrr rrs rrt rru rsc rsm rso rsr rss rst rsu rtc rtm rto rtr rts rtt rtu ruc rum ruo rur rus rut ruu scc scm sco scr scs sct scu smc smm smo smr sms smt smu soc som soo sor sos sot sou sr- src srm sro srr srs srt ss- ssc ssm sso ssr sss sst ssu stc stm sto str sts stt stu suc sum suo sur sus sut suu tcc tcm tco tcr tcs tct tcu tmc tmm tmo tmr tms tmt tmu to- toc tom too tor tos tot tou trc trm tro trr trs trt tru tsc tsm tso tsr tss tst tsu ttc ttm tto ttr tts ttt ttu tuc tum tuo tur tus tut tuu ucc ucm uco ucr ucs uct ucu um- umc umm umo umr ums umt umu uoc uom uoo uor uos uot ur- urc urm uro urr urs urt uru usc usm uso usr uss ust usu utc utm uto utr uts utt utu uuc uum uur uus uut uuu