-er -ic c-- ccc cce cci cco ccr cct ccx ce- cec cee cei ceo cer cet cex ci- cic cie cii cio cir cit cix co- coc coe coi coo cor cot cox crc cre cri cro crr crt crx ctc cte cti cto ctr ctt ctx cxc cxi cxo cxr cxt cxx ec- ecc ece eci eco ecr ect ecx eec eee eeo eer eet eex eic eie eii eio eir eit eix eo- eoc eoe eoi eoo eor eot erc ere eri ero err ert etc ete eti eto etr ett etx ex- exc exe exi exo exr ext exx icc ice ici ico icr ict ie- iec iee iei ier iet iex iic iie iii iio iir iit iix io- ioc ioe ioi ioo ior iot ir- irc ire iri iro irr irt irx itc ite iti ito itt itx ixc ixe ixi o-i oc- occ oci oco ocr oct ocx oec oee oei oeo oer oet oex oic oie oii oio oir oit oo- ooc ooi ooo oor oot oox or- orc ore ori oro orr ort orx ot- otc ote oti oto otr ott ox- oxc oxi oxo oxt oxx rcc rce rci rco rcr rct rcx re- rec ree rei reo rer ret rex ric rie rii rio rir rit rix roc roe roi roo ror rot rox rrc rri rrr rrt rtc rte rti rto rtr rtt rtx rxr t-x tcc tce tci tco tcr tct tcx te- tec tee tei teo ter tet tex tic tie tii tio tir tit tix to- toc toe toi too tor tot tox trc tre tri tro trr trt trx ttc tte tti tto ttr ttt ttx txe txi txt xci xcr xcx xee xer xet xex xic xie xii xio xit xix xoc xoi xoo xor xot xox xrc xrt xrx xtc xti xtr xtx xxi xxo xxx

cccc ccci ccee ccic ccii ccir ccix ccoc ccrc ccre ccri ccrt cctc cctt ccxi cec- cece ceci ceco cect ceec ceor cer- cerc cere ceri cero cert cet- cete ceti ceto cexe cicc cici cico cicr cict ciee cier ciii ciit cior circ cire ciri ciro cirr cirt cite citi cito citt cixi coce coco coct coex coir coit coix coot cor- corc core cori coro corr cort cotc cote coti coto cott coxe crcc crce crcr cre- crec cree crei creo cret crex cric crie crit croc croe croo cror crot crrt crtc ctec ctic ctor ctot ctrc cxii cxix cxro cxxi cxxx eccc ecce ecci ecco ecct ecit eco- ecot ecrc ecri ecrr ect- ectc ecto eeee eeoc eerc eero eetc eete eext eico eiec eiei eier eire eitc eiti eito eitr eoir eore eori eotc eoto er-x ercc erce erec erei erer eret eric erie erio erit eroc eroe eroi eroo errc erre erro etcc etco etec etee eter etic etio etix etoe etox etre etro ette etti etto exco exec exer exit exo- exor exrx exte extr iccc icci icco iccr icct icec icee icer icet icex icoc icor icrc icre icrr icrt iecc ieet ieie ieio iere ieri iett iiie iiii iiio iiit iioi iioo iirc iitr iitt ioci ioee ioii ioio ioit iooi iooo iore iori iote ioto ircc ircx iree irer irex iri- iric irie irio irix iroc irrc irre irri irte irti itec iter itet itex itic itie itoi itoo itor itri itto ixxi o-eo occc occi occt oce ocee ocet ocre ocro ocrr oct- octe octi octo oec- oecc oeec oere oeti oici oier oiii oire oirt oitc oiti oocr ooer oooo oore oort orce orci orco ore- orec oreo orer orex ori- oric orie orio orit orix oro- oroe oror orot orri orro ortc orte orto otee oter otic otit oto- otoe otoo otor otre otro otte otti otto oxer oxi- oxic oxie oxo- oxox oxxo rccc rcet rcic rctc rcti recc rece reci recr rect reet reii reir reit reot rere reri rero rert rete reti reto retr rett rexx ricc rice rico rict rier riet riex riot rire riri rite riti rito ritt rixc rixe rixo rocc roce roco roer roet roio roir roit rooi roor root roox rorc rore rori roro rort rotc rote roti roto rotr rott roxo rrrr rtcc rtce rtee rtei rtex tccc tctc teco tecr tect teec teer teet teic teie teir teor ter- terc tere teri tero terr tete teti teto tetr tett tetx text ticc tice tico tie- tiee tiei tieo tier tiet tiit tire tiri tiro tirr titc tite titi tito titt tixt toce toci toco toee toei toer toet toie toit toor toot torc tore tori toro torr tort torx totc tote toti toto totr tott tox- toxi toxo toxt trcc tre- trec tree trei treo tret trex tri- tric trie trio trit trix troc troe troi troo trot trox trtc trte trtr tteo tter ttoe tttt txii txtr xcii xcri xeer xer- xero xert xexe xico xiii xito xixi xoco xoro xote xoxo xtie xtro xxii xxix xxxi xxxo xxxx

-tree c-cor c-tec ccccc cccii ccett cciii ccitt ccxii ceci- cecie ceco- cecri ceere ceirt ceoce ceoor cerc- cerce cerci cerco cerec cerer ceret ceric cerie cerio cero- ceroc cerre cerro certe cetic ceto- cette cicer cietc circe circo cirex ciric cirie cirio cirr- cirri cirro citec citee citer citie citr- citro citte co-co cocc- cocce cocci cocco coceo cocio cocir cocto coete coice coire coiro coite cooee cooer cooie coore coote corce core- coree corer corex corie corio coro- coroi corot corre corri corte corti corto coter cott- cotte cotto coxie crece creer creio creo- creot crete crice crier crio- crito croce croci croco croix crooe croot crore crote crott ctree ctrie cttee cttoi ecori ecrit ecto- ector ectot eeeee eerie eetti eieio eirie eiter eitri eorre erect erere erice erier eriic erio- erite erixx eroor erore eroto error erte erter etete etext etio- etite etoro etree etter ettie ex-ic exect execx exert exite exito exore exort exter extre extro ice-t iceci