-ol c-- ccc ccl cco ccp ccr ccs cct cl- clc cll clo clp clr cls clt co- coc col coo cop cor cos cot cpc cpl cpo cpp cpr cps cpt crc crl cro crp crr crs crt csc csl cso csp csr css cst ctc ctl cto ctp ctr cts ctt l-p lcc lcl lco lcp lcr lcs lct llc lll llo llp llr lls llt loc lol loo lop lor los lot lpc lpl lpo lpp lpr lps lpt lrc lro lrp lrr lrs lrt lsc lsl lso lsp lsr lss lst ltc ltl lto ltp ltr lts ltt oc- occ ocl oco ocp ocr ocs oct olc oll olo olp ols olt oo- ooc ool ooo oop oor oos oot op- opc opl opo opp opr ops opt or- orc orl oro orp orr ors ort os- osc osl oso osp osr oss ost ot- otc otl oto otp otr ots ott p-p pcc pcl pco pcp pcr pcs pct plc pll plo plp plr pls plt poc pol poo pop por pos pot ppc ppl ppo ppp ppr pps ppt prc prl pro prp prr prs prt ps- psc psl pso psp psr pss pst pt- ptc ptl pto ptp ptr pts ptt rcc rcl rco rcp rcr rcs rct rlc rll rlo rlp rlr rls rlt roc rol roo rop ror ros rot rpc rpl rpo rpp rpr rps rpt rrc rrl rrp rrr rrs rrt rsc rsl rso rsp rsr rss rst rtc rtl rto rtp rtr rts rtt scc scl sco scp scr scs sct slc sll slo slp slr sls slt soc sol soo sop sor sos sot spc spl spo spp spr sps spt sr- src srl sro srp srr srs srt ss- ssc ssl sso ssp ssr sss sst stc stl sto stp str sts stt tcc tcl tco tcp tcr tcs tct tlc tll tlo tlp tlr tls tlt to- toc tol too top tor tos tot tpc tpl tpo tpp tpr tps tpt trc trl tro trp trr trs trt tsc tsl tso tsp tsr tss tst ttc ttl tto ttp ttr tts ttt