-ol c-- ccc ccf cck ccl ccn cco ccr cct cfc cff cfk cfl cfn cfo cfr cft ckc cko ckt cl- clc clf clk cll cln clo clr clt cn- cnc cnf cnl cnn cno cnr cnt co- coc cof cok col con coo cor cot crc crf crk crl crn cro crr crt ctc ctf ctk ctl ctn cto ctr ctt fcc fcf fck fcl fcn fco fcr fct ffc fff ffk ffl ffn ffo ffr fft fkc fkf fkk fkl fkt flc flf fll fln flo flr flt fnc fnf fnk fnl fnn fnr fnt foc fof fok fol fon foo for fot frc frf frk frl frn fro frr frt ftc ftf ftk ftl ftn fto ftr ftt k-t kcc kck kcl kcn kcr kct kfc kff kfo kkc kkk kkl kkn kkr kkt kl- klc klf klo klr klt kn- knc knf knk knl knn kno knr knt koc kof kok kol kon koo kor kot krc krf krk krl krn kro krr krt ktc ktf ktk ktl ktn kto ktr ktt lcc lcf lck lcl lcn lco lcr lct lfc lff lfk lfl lfn lfo lfr lft lkl lkr lkt llc llf llk lll lln llo llr llt lnc lnk lnl lnn lno lnr lnt loc lof lok lol lon loo lor lot lrc lrf lrk lrn lro lrr lrt ltc ltf ltk ltl lto ltr ltt ncc ncf nck ncl ncn nco ncr nct nfc nff nfk nfl nfn nfo nfr nft nkc nkf nkk nkn nko nkr nkt nlc nlf nlk nll nln nlo nlr nlt nnc nnf nnk nnl nnn nno nnt no- noc nof nok nol non noo nor not nrc nrf nrk nrl nrn nro nrr nrt ntc ntf ntk ntn nto ntr ntt oc- occ ocf ock ocl ocn oco ocr oct of- ofc off ofl ofn ofo ofr oft okc okk okl oko okr olc olf olk oll oln olo olt on- onc onf onk onl onn ono onr ont oo- ooc oof ook ool oon ooo oor oot or- orc orf ork orl orn oro orr ort ot- otc otf otk otl otn oto otr ott rcc rcf rcl rcn rco rcr rct rfc rff rfk rfl rfn rfo rfr rft rkc rkf rkk rko rkt rlc rlf rll rln rlo rlr rlt rnc rnn rno rnr rnt roc rof rok rol ron roo ror rot rrc rrf rrk rrl rrn rrr rrt rtc rtf rtk rtl rtn rto rtr rtt tcc tcf tck tcl tcn tco tcr tct tfc tff tfk tfl tfn tfo tfr tft tkc tkk tkl tko tkr tkt tlc tlf tlk tll tln tlo tlr tlt tnc tnf tnk tnl tnn tno tnr tnt to- toc tof tok tol ton too tor tot trc trf trk trl trn tro trr trt ttc ttf ttk ttl ttn tto ttr ttt