-ol c-- ccc ccd ccf ccl ccm cco ccr cct cdc cdd cdf cdl cdm cdo cdr cdt cfc cfd cff cfl cfm cfo cfr cft cl- clc cld clf cll clm clo clr clt cmc cmd cmf cml cmm cmo cmr cmt co- coc cod cof col com coo cor cot crc crd crf crl crm cro crr crt ctc ctd ctf ctl ctm cto ctr ctt dcc dcd dcf dcl dcm dco dcr dct ddc ddd ddf ddl ddm ddo ddr ddt dfc dfd dff dfl dfm dfo dfr dft dl- dlc dld dlf dll dlm dlo dlr dlt dmc dmd dmf dml dmm dmo dmr dmt doc dod dof dol dom doo dor dot drc drd drl drm dro drr drt dtc dtd dtf dtl dtm dto dtr dtt fcc fcd fcf fcl fcm fco fcr fct fdc fdd fdf fdl fdm fdo fdr fdt ffc ffd fff ffl ffm ffo ffr fft flc fld flf fll flm flo flr flt fmc fmd fmf fml fmm fmo fmr fmt foc fof fol fom foo for fot frc frd frf frl frm fro frr frt ftc ftd ftf ftl ftm fto ftr ftt lcc lcd lcf lcl lcm lco lcr lct ldc ldd ldf ldl ldm ldo ldr ldt lfc lfd lff lfl lfm lfo lfr lft llc lld llf lll llm llo llr llt lmc lmd lmf lml lmm lmo lmr lmt loc lod lof lol lom loo lor lot lrc lrd lrf lrm lro lrr lrt ltc ltd ltf ltl ltm lto ltr ltt m-f m-o m-r mc- mcc mcd mcf mcl mcm mco mcr mct mdc mdd mdf mdl mdm mdo mdr mdt mfc mfd mff mfl mfm mfo mfr mft mlc mld mlf mll mlm mlo mlr mlt mmc mmd mmf mml mmm mmo mmr mmt moc mod mof mol mom moo mor mot mrc mrd mrf mrl mrm mro mrr mrt mtc mtd mtf mtl mtm mto mtr mtt oc- occ ocd ocf ocl ocm oco ocr oct odc odd odf odl odm odo odr odt of- ofc ofd off ofl ofm ofo ofr oft olc old olf oll olm olo olt om- omc omd omf oml omm omo omr omt oo- ooc ood oof ool oom ooo oor oot or- orc ord orf orl orm oro orr ort ot- otc otd otf otl otm oto otr ott rcc rcd rcf rcl rcm rco rcr rct rdc rdd rdf rdl rdm rdo rdr rdt rfc rfd rff rfl rfm rfo rfr rft rlc rld rlf rll rlm rlo rlr rlt rmc rmd rmf rml rmm rmo rmr rmt roc rod rof rol rom roo ror rot rrc rrd rrf rrl rrm rrr rrt rtc rtd rtf rtl rtm rto rtr rtt tcc tcd tcf tcl tcm tco tcr tct tdc tdd tdf tdl tdm tdo tdr tdt tfc tfd tff tfl tfm tfo tfr tft tlc tld tlf tll tlm tlo tlr tlt tmc tmd tmf tml tmm tmo tmr tmt to- toc tod tof tol tom too tor tot trc trd trf trl trm tro trr trt ttc ttd ttf ttl ttm tto ttr ttt