-er -ic -ol c-- ccc cce cci ccl cco ccr ccu ccv ce- cec cee cei cel ceo cer ceu cev ci- cic cie cii cil cio cir ciu civ cl- clc cle cli cll clo clr clu clv co- coc coe coi col coo cor cou cov crc cre cri crl cro crr cru crv cuc cue cui cul cuo cur cuu cuv cvc cve cvi cvl cvo cvr cvu cvv ec- ecc ece eci ecl eco ecr ecu ecv eec eee eel eeo eer eev eic eie eii eil eio eir eiu eiv elc ele eli ell elo elr elu elv eo- eoc eoe eoi eol eoo eor eou erc ere eri erl ero err eru erv eu- euc eue eui eul eur euv evc eve evi evl evo evr evv i-v icc ice ici icl ico icr icu icv ie- iec iee iei iel ier iev iic iie iii iil iio iir iiu il- ilc ile ili ill ilo ilr ilu ilv io- ioc ioe ioi iol ioo ior iou iov ir- irc ire iri irl iro irr iru irv iu- iuc iue iui iur ivc ive ivi ivl ivo ivr ivu ivv lcc lce lci lcl lco lcr lcu lcv lec lee lei lel leo ler leu lev lic lie lii lil lio lir liu liv llc lle lli lll llo llr llu llv loc loe loi lol loo lor lou lov lrc lri lro lrr lru lrv luc lue lui lul luo lur luu luv lvc lve lvi lvl lvr lvv o-i oc- occ oci ocl oco ocr ocu ocv oec oee oei oel oeo oer oic oie oii oil oio oir oiu oiv olc ole oli oll olo olu oo- ooc ooi ool ooo oor oov or- orc ore ori orl oro orr oru orv ou- ouc oue oui oul ouo our ov- ovc ove ovi ovl ovo ovv rcc rce rci rcl rco rcr rcu rcv re- rec ree rei rel reo rer reu rev ric rie rii ril rio rir riv rlc rle rli rll rlo rlr rlu roc roe roi rol roo ror rou rov rrc rri rrl rrr rru ruc rue rui ruo rur ruu ruv rvc rve rvi rvl rvo rvr rvu rvv ucc uce uci ucl uco ucr ucu ucv uec uee uei uel uer uic uie uii uil uio uir uiu ulc ule uli ull ulo ulr ulu ulv uoc uoe uol uoo uor ur- urc ure uri url uro urr uru uuc uue uur uuu uvc uve uvl uvo uvu uvv v-e vcc vce vci vcl vco vcr vcu vec vee vei vel veo ver veu vi- vic vie vii vil vio vir viu viv vl- vlc vle vll vlo vlv voc voe voi vol voo vor vou vov vrc vre vri vrr vru vue vul vur vuv vvc vvi vvo vvr vvv