c-- ccc ccm ccn cco ccr cct cmc cmm cmn cmo cmr cmt cn- cnc cnm cnn cno cnr cnt co- coc com con coo cor cot crc crm crn cro crr crt ctc ctm ctn cto ctr ctt m-o m-r mc- mcc mcm mcn mco mcr mct mmc mmm mmn mmo mmr mmt mnc mnm mnn mno mnr mnt moc mom mon moo mor mot mrc mrm mrn mro mrr mrt mtc mtm mtn mto mtr mtt ncc ncm ncn nco ncr nct nmc nmm nmn nmo nmr nmt nnc nnm nnn nno nnt no- noc nom non noo nor not nrc nrm nrn nro nrr nrt ntc ntm ntn nto ntr ntt oc- occ ocm ocn oco ocr oct om- omc omm omn omo omr omt on- onc onn ono onr ont oo- ooc oom oon ooo oor oot or- orc orm orn oro orr ort ot- otc otm otn oto otr ott rcc rcm rcn rco rcr rct rmc rmm rmn rmo rmr rmt rnc rnm rnn rno rnr rnt roc rom ron roo ror rot rrc rrm rrn rrr rrt rtc rtm rtn rto rtr rtt tcc tcm tcn tco tcr tct tmc tmm tmn tmo tmr tmt tnc tnm tnn tno tnr tnt to- toc tom ton too tor tot trc trm trn tro trr trt ttc ttm ttn tto ttr ttt