-ol c-- ccc ccl ccm cco ccr ccs cct cl- clc cll clm clo clr cls clt cmc cml cmm cmo cmr cms cmt co- coc col com coo cor cos cot crc crl crm cro crr crs crt csc csl csm cso csr css cst ctc ctl ctm cto ctr cts ctt lcc lcl lcm lco lcr lcs lct llc lll llm llo llr lls llt lmc lml lmm lmo lmr lms lmt loc lol lom loo lor los lot lrc lrm lro lrr lrs lrt lsc lsl lsm lso lsr lss lst ltc ltl ltm lto ltr lts ltt m-o m-r mc- mcc mcl mcm mco mcr mcs mct mlc mll mlm mlo mlr mls mlt mmc mml mmm mmo mmr mms mmt moc mol mom moo mor mos mot mrc mrl mrm mro mrr mrs mrt msc msl msm mso msr mss mst mtc mtl mtm mto mtr mts mtt oc- occ ocl ocm oco ocr ocs oct olc oll olm olo ols olt om- omc oml omm omo omr oms omt oo- ooc ool oom ooo oor oos oot or- orc orl orm oro orr ors ort os- osc osl osm oso osr oss ost ot- otc otl otm oto otr ots ott rcc rcl rcm rco rcr rcs rct rlc rll rlm rlo rlr rls rlt rmc rml rmm rmo rmr rms rmt roc rol rom roo ror ros rot rrc rrl rrm rrr rrs rrt rsc rsl rsm rso rsr rss rst rtc rtl rtm rto rtr rts rtt scc scl scm sco scr scs sct slc sll slm slo slr sls slt smc sml smm smo smr sms smt soc sol som soo sor sos sot sr- src srl srm sro srr srs srt ss- ssc ssl ssm sso ssr sss sst stc stl stm sto str sts stt tcc tcl tcm tco tcr tcs tct tlc tll tlm tlo tlr tls tlt tmc tml tmm tmo tmr tms tmt to- toc tol tom too tor tos tot trc trl trm tro trr trs trt tsc tsl tsm tso tsr tss tst ttc ttl ttm tto ttr tts ttt