c-- ccc ccm ccn cco ccr ccs cct cmc cmm cmn cmo cmr cms cmt cn- cnc cnm cnn cno cnr cns cnt co- coc com con coo cor cos cot crc crm crn cro crr crs crt csc csm csn cso csr css cst ctc ctm ctn cto ctr cts ctt m-o m-r mc- mcc mcm mcn mco mcr mcs mct mmc mmm mmn mmo mmr mms mmt mnc mnm mnn mno mnr mns mnt moc mom mon moo mor mos mot mrc mrm mrn mro mrr mrs mrt msc msm msn mso msr mss mst mtc mtm mtn mto mtr mts mtt ncc ncm ncn nco ncr ncs nct nmc nmm nmn nmo nmr nms nmt nnc nnm nnn nno nns nnt no- noc nom non noo nor nos not nrc nrm nrn nro nrr nrs nrt nsc nsm nsn nso nsr nss nst ntc ntm ntn nto ntr nts ntt oc- occ ocm ocn oco ocr ocs oct om- omc omm omn omo omr oms omt on- onc onn ono onr ons ont oo- ooc oom oon ooo oor oos oot or- orc orm orn oro orr ors ort os- osc osm osn oso osr oss ost ot- otc otm otn oto otr ots ott rcc rcm rcn rco rcr rcs rct rmc rmm rmn rmo rmr rms rmt rnc rnm rnn rno rnr rns rnt roc rom ron roo ror ros rot rrc rrm rrn rrr rrs rrt rsc rsm rsn rso rsr rss rst rtc rtm rtn rto rtr rts rtt scc scm scn sco scr scs sct smc smm smn smo smr sms smt snc snm snn sno snr sns snt soc som son soo sor sos sot sr- src srm srn sro srr srs srt ss- ssc ssm ssn sso ssr sss sst stc stm stn sto str sts stt tcc tcm tcn tco tcr tcs tct tmc tmm tmn tmo tmr tms tmt tnc tnm tnn tno tnr tns tnt to- toc tom ton too tor tos tot trc trm trn tro trr trs trt tsc tsm tsn tso tsr tss tst ttc ttm ttn tto ttr tts ttt