-ol c-- ccc cck ccl cco ccp ccr cct ckc cko ckt cl- clc clk cll clo clp clr clt co- coc cok col coo cop cor cot cpc cpk cpl cpo cpp cpr cpt crc crk crl cro crp crr crt ctc ctk ctl cto ctp ctr ctt k-t kcc kck kcl kcp kcr kct kkc kkk kkl kkp kkr kkt kl- klc klo klr klt koc kok kol koo kop kor kot kpc kpk kpl kpo kpp kpr kpt krc krk krl kro krp krr krt ktc ktk ktl kto ktp ktr ktt l-p lcc lck lcl lco lcp lcr lct lkl lkp lkr lkt llc llk lll llo llp llr llt loc lok lol loo lop lor lot lpc lpk lpl lpo lpp lpr lpt lrc lrk lro lrp lrr lrt ltc ltk ltl lto ltp ltr ltt oc- occ ock ocl oco ocp ocr oct okc okk okl oko okp okr olc olk oll olo olp olt oo- ooc ook ool ooo oop oor oot op- opc opk opl opo opp opr opt or- orc ork orl oro orp orr ort ot- otc otk otl oto otp otr ott p-p pcc pck pcl pco pcp pcr pct pkc pkl pko pkp pkr pkt plc plk pll plo plp plr plt poc pok pol poo pop por pot ppc ppk ppl ppo ppp ppr ppt prc prk prl pro prp prr prt pt- ptc ptk ptl pto ptp ptr ptt rcc rcl rco rcp rcr rct rkc rkk rko rkp rkt rlc rll rlo rlp rlr rlt roc rok rol roo rop ror rot rpc rpk rpl rpo rpp rpr rpt rrc rrk rrl rrp rrr rrt rtc rtk rtl rto rtp rtr rtt tcc tck tcl tco tcp tcr tct tkc tkk tkl tko tkp tkr tkt tlc tlk tll tlo tlp tlr tlt to- toc tok tol too top tor tot tpc tpk tpl tpo tpp tpr tpt trc trk trl tro trp trr trt ttc ttk ttl tto ttp ttr ttt