-er -ey -ic c-- ccc cce cci cco ccr cct ce- cec cee cei ceo cer cet cey ci- cic cie cii cio cir cit co- coc coe coi coo cor cot coy crc cre cri cro crr crt cry ctc cte cti cto ctr ctt cty cyc cye cyo cyr cyt ec- ecc ece eci eco ecr ect eec eee eeo eer eet eey eic eie eii eio eir eit eo- eoc eoe eoi eoo eor eot erc ere eri ero err ert ery etc ete eti eto etr ett ety eyc eye eyo eyr eyt icc ice ici ico icr ict icy ie- iec iee iei ier iet iey iic iie iii iio iir iit io- ioc ioe ioi ioo ior iot ir- irc ire iri iro irr irt iry itc ite iti ito itt ity iyc iye iyo iyr iyt iyy o-i oc- occ oci oco ocr oct oec oee oei oeo oer oet oey oic oie oii oio oir oit oo- ooc ooi ooo oor oot or- orc ore ori oro orr ort ory ot- otc ote oti oto otr ott oye oyi oyo rcc rce rci rco rcr rct re- rec ree rei reo rer ret rey ric rie rii rio rir rit riy roc roe roi roo ror rot roy rrc rri rrr rrt rtc rte rti rto rtr rtt rty ry- ryc rye ryo ryr ryy tcc tce tci tco tcr tct te- tec tee tei teo ter tet tey tic tie tii tio tir tit tiy to- toc toe toi too tor tot toy trc tre tri tro trr trt try ttc tte tti tto ttr ttt tty tyc tye tyo tyr tyt ycc yce yci yco ycy yec yee yei yeo yer yet yey yie yii yio yir yit yoc yoe yoi yoo yor yot yoy yrc yre yro yrt ytc yte yto ytr ytt yyc yye yyt yyy

cccc ccci ccee ccic ccii ccir ccoc ccrc ccre ccri ccrt cctc cctt cec- cece ceci ceco cect ceec ceor cer- cerc cere ceri cero cert cery cet- cete ceti ceto cicc cici cico cicr cict ciee cier ciii ciit cior circ cire ciri ciro cirr cirt cite citi cito citt city coce coco coct coir coit coot cor- corc core cori coro corr cort cory cotc cote coti coto cott coty coyo coyr coyt crcc crce crcr cre- crec cree crei creo cret cric crie crit croc croe croo cror crot croy crrt crtc cry- cryo ctec ctic ctor ctot ctrc cyc- cycc cyre cyrt cyt- cyte cyto cyy- cyyc eccc ecce ecci ecco ecct ecit eco- ecot ecrc ecri ecrr ect- ectc ecto eeee eeoc eerc eero eery eetc eete eico eiec eiei eier eire eiry eitc eiti eito eitr eoir eore eori eotc eoto ercc erce erec erei erer eret eric erie erio erit eroc eroe eroi eroo errc erre erro eryc erye etcc etco etec etee eter etic etio etoe etoy etre etro ette etti etto etty eyec eyer eyet eyey eyio eyir eyot eyre eyry eyte eyyr iccc icci icco iccr icct icec icee icer icet icey icoc icor icrc icre icrr icrt icry 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 iree irer iri- iric irie irio iriy iroc irrc irre irri irte irti itec iter itet itic itie itoi itoo itor itri itry itto itty iyer iyet iyre o-eo occc occi occt oce ocee ocet ocre ocro ocrr oct- octe octi octo octy oec- oecc oeec oere oeti oeye oeyo oici oier oiii oire oirt oiry oitc oiti oocr ooer oooo oore oort oory ooty orce orci orco ore- orec oreo orer orey ori- oric orie orio orit oro- oroe oror orot oroy orri orro orry ortc orte orto otee oter otic otit oto- otoe otoo otor otoy otre otro otry otte otti otto otyr oyce oyee oyer oyre oyri rccc rcet rcic rctc rcti rcyc recc rece reci recr rect recy reet reii reir reit reot rere reri rero rert rery rete reti reto retr rett rety reye ricc rice rico rict rier riet riot rire riri rite riti rito ritt riyo rocc roce roco roer roet roey roio roir roit rooi roor root rorc rore rori roro rort rory rotc rote roti roto rotr rott roty roye royt rrrr rtcc rtce rtee rtei ryet ryot rytt ryyt tccc tctc teco tecr tect teec teer teet teic teie teir teor ter- terc tere teri tero terr tery tete teti teto tetr tett teye teyr ticc tice tico tie- tiee tiei tieo tier tiet tiit tire tiri tiro tirr tiry titc tite titi tito titt tiye tiyi tiyo to-y toce toci toco toee toei toer toet toey toie toit toor toot torc tore tori toro torr tort tory totc tote toti toto totr tott toty toyo toyt trcc tre- trec tree trei treo tret trey tri- tric trie trio trit troc troe troi troo trot troy trtc trte trtr try- trye tryo tteo tter ttoe ttoy tttt tyce tyco tyee tyer tyet tyir tyr- tyre tyro tyrr tyte tyti tyto tytt tyty yccc ycee ycie yctc yeer yeet yeie yeii yeir yeit yeot yere yeri yero yerr yert yery yete yeti yeto yett yeye yeyi yeyo yeyr yiet yire yirr yite yiti yoit yoot yore yori yoro yort yory yote yott yoye yoyo ytre yyyy

-tree c-cor c-tec ccccc cccii ccett cciii ccitt ccoyo ceci- cecie ceco- cecri cecyt ceere ceirt ceoce ceoor cerc- cerce cerci cerco cerec cerer ceret ceric cerie cerio cero- ceroc cerre cerro certe certy cetic ceto- cette cetty cicer cietc circe circo cirey ciric cirie cirio cirr- cirri cirro citec citee citer citey citie citr- citro citry citte co-co cocc- cocce cocci cocco coceo cocio cocir cocto coete coice coire coiro coite coity cooee cooer cooey cooie coore coote cooty corce corcy core- coree corer corey corie corio coro- coroi