-er -ic -ol c-- ccc cce ccf cci ccl cco ccr cct ccv ce- cec cee cef cei cel ceo cer cet cev cfc cfe cff cfi cfl cfo cfr cft cfv ci- cic cie cif cii cil cio cir cit civ cl- clc cle clf cli cll clo clr clt clv co- coc coe cof coi col coo cor cot cov crc cre crf cri crl cro crr crt crv ctc cte ctf cti ctl cto ctr ctt ctv cvc cve cvf cvi cvl cvo cvr cvt cvv ec- ecc ece ecf eci ecl eco ecr ect ecv eec eee eef eel eeo eer eet eev ef- efc efe eff efi efl efo efr eft eic eie eif eii eil eio eir eit eiv elc ele elf eli ell elo elr elt elv eo- eoc eoe eof eoi eol eoo eor eot erc ere erf eri erl ero err ert erv etc ete etf eti etl eto etr ett etv evc eve evf evi evl evo evr evt evv fcc fce fcf fci fcl fco fcr fct fcv fec fee fef fei fel feo fer fet fev ffc ffe fff ffi ffl ffo ffr fft ffv fic fie fif fii fil fir fit flc fle flf fli fll flo flr flt foc foe fof foi fol foo for fot frc fre frf fri frl fro frr frt ftc fte ftf fti ftl fto ftr ftt ftv fvc fvt i-f i-v icc ice icf ici icl ico icr ict icv ie- iec iee ief iei iel ier iet iev ifc ife iff ifi ifl ifo ifr ift iic iie iif iii iil iio iir iit il- ilc ile ilf ili ill ilo ilr ilt ilv io- ioc ioe iof ioi iol ioo ior iot iov ir- irc ire irf iri irl iro irr irt irv itc ite itf iti itl ito itt itv ivc ive ivf ivi ivl ivo ivr ivt ivv lcc lce lcf lci lcl lco lcr lct lcv lec lee lef lei lel leo ler let lev lfc lfe lff lfi lfl lfo lfr lft lic lie lif lii lil lio lir lit liv llc lle llf lli lll llo llr llt llv loc loe lof loi lol loo lor lot lov lrc lrf lri lro lrr lrt lrv ltc lte ltf lti ltl lto ltr ltt ltv lvc lve lvf lvi lvl lvr lvt lvv o-i oc- occ ocf oci ocl oco ocr oct ocv oec oee oef oei oel oeo oer oet of- ofc ofe off ofi ofl ofo ofr oft ofv oic oie oif oii oil oio oir oit oiv olc ole olf oli oll olo olt oo- ooc oof ooi ool ooo oor oot oov or- orc ore orf ori orl oro orr ort orv ot- otc ote otf oti otl oto otr ott otv ov- ovc ove ovf ovi ovl ovo ovv rcc rce rcf rci rcl rco rcr rct rcv re- rec ree ref rei rel reo rer ret rev rfc rfe rff rfi rfl rfo rfr rft rfv ric rie rif rii ril rio rir rit riv rlc rle rlf rli rll rlo rlr rlt roc roe rof roi rol roo ror rot rov rrc rrf rri rrl rrr rrt rtc rte rtf rti rtl rto rtr rtt rtv rvc rve rvf rvi rvl rvo rvr rvt rvv tcc tce tcf tci tcl tco tcr tct tcv te- tec tee tef tei tel teo ter tet tev tfc tfe tff tfi tfl tfo tfr tft tic tie tif tii til tio tir tit tiv tlc tle tlf tli tll tlo tlr tlt tlv to- toc toe tof toi tol too tor tot tov trc tre trf tri trl tro trr trt trv ttc tte ttf tti ttl tto ttr ttt ttv tvc tve tvf tvi tvl tvo tvr tvt v-e vcc vce vcf vci vcl vco vcr vct vec vee vef vei vel veo ver vet vfc vff vfi vfl vfr vft vfv vi- vic vie vif vii vil vio vir vit viv vl- vlc vle vlf vll vlo vlt vlv voc voe vof voi vol voo vor vot vov vrc vre vrf vri vrr vrt vtc vte vti vtl vto vtr vtt vtv vvc vvi vvo vvr vvt vvv