-er c-- c-j ccc cce ccj cco ccr cct ccu ccv ce- cec cee cej ceo cer cet ceu cev cjc cjr co- coc coe coj coo cor cot cou cov crc cre crj cro crr crt cru crv ctc cte cto ctr ctt ctu ctv cuc cue cuo cur cut cuu cuv cvc cve cvo cvr cvt cvu cvv ec- ecc ece ecj eco ecr ect ecu ecv eec eee eeo eer eet eev ejc ejo ejt eju eo- eoc eoe eoo eor eot eou erc ere ero err ert eru erv etc ete etj eto etr ett etu etv eu- euc eue euj eur eut euv evc eve evo evr evt evv jcc jce jco jcr jct jcu jec jee jej jeo jer jet jeu jjc jjj jjr jju joc joe joj joo jor jot jou jrc jro jrr jrt jtc jte jtr jtt jtu jtv jue juo jur jut juv jvc jvt oc- occ ocj oco ocr oct ocu ocv oec oee oeo oer oet ojc oje ojo oju oo- ooc ooo oor oot oov or- orc ore oro orr ort oru orv ot- otc ote oto otr ott otu otv ou- ouc oue ouo our out ov- ovc ove ovo ovv rcc rce rcj rco rcr rct rcu rcv re- rec ree reo rer ret reu rev rjc rjr roc roe roj roo ror rot rou rov rrc rrr rrt rru rtc rte rtj rto rtr rtt rtu rtv ruc rue ruo rur rut ruu ruv rvc rve rvo rvr rvt rvu rvv tcc tce tcj tco tcr tct tcu tcv te- tec tee tej teo ter tet teu tev tjc tje tjo tjr tju to- toc toe toj too tor tot tou tov trc tre tro trr trt tru trv ttc tte tto ttr ttt ttu ttv tuc tue tuj tuo tur tut tuu tuv tvc tve tvo tvr tvt tvu ucc uce ucj uco ucr uct ucu ucv uec uee uer uet ujc ujo uoc uoe uoj uoo uor uot ur- urc ure uro urr urt uru utc ute utj uto utr utt utu utv uuc uue uur uut uuu uvc uve uvo uvu uvv v-e vcc vce vco vcr vct vcu vec vee veo ver vet veu voc voe voo vor vot vou vov vrc vre vrr vrt vru vtc vte vto vtr vtt vtu vtv vue vur vut vuv vvc vvo vvr vvt vvv

cccc cccu cccv ccee ccjo ccoc ccrc ccre ccrt cctc cctt cctv ccuc ccut ccvo cec- cece ceco cect ceec cejc ceor ceou cer- cerc cere cero cert cet- cete ceto cetv cevo cjcj cjeu cjor cjrc cjrj cjru cjtr coce coco coct cocu cojo coot cor- corc core coro corr cort cotc cote coto cott cotu coue cour cout cove covo crcc crce crcr cre- crec cree creo cret creu croc croe croo cror crot crrt crtc crtv crue crut ctec ctor ctot ctrc ctvo ctvt cucc cuce cuer cujo cuju cure curo curr curt cut- cutc cute cuto cutt cutv cuve cvcc cver cvet cvrr cvte eccc ecce ecco ecct eco- ecot ecou ecrc ecrr ecru ecrv ect- ectc ecto ectv eeee eeoc eerc eero eetc eete eetu ejer ejoo ejot eore eotc eoto ercc erce erec erer eret erev eroc eroe eroo errc erre erro ertu eruc erur eruv erve etcc etco etec etee eter etoe etre etro ette etto ettu etvo euer eur- eurc eure euro eurt ever evet evje evoe evoo evre j-ro jccc jcrc jeer jeet jeju jere jero jert jeru jete jett jeur jjcc joce joco jocu joee jojo joor joot jore joro jort joto jott jour jove jovo jrtc jtcc juce juco jucu juju jure jurr jute juve o-eo occc occt oce ocee ocet ocre ocro ocrr oct- octe octo ocur oec- oecc oeec oere ojeu oocr ooer oooo oore oort orce orco ore- orec oreo orer oro- oroe oror orot orro ortc orte orto oruj orve orvr otee oter oto- otoe otoo otor otov otre otro otte otto ottu otur oucc ouer ouju our- oure ouro ourt out- oute outo ouu- ovee over ovet ovo- ovoo ovot ovre rccc rcet rctc rctv rcuv rcvr recc rece recr rect recu reet reev reot reou rere rero rert reru rete reto retr rett reue reut reuu reve revo rjtv rocc roce roco roer roet roev roje rojo roor root rorc rore roro rort roru rotc rote rotj roto rotr rott roue rout rove rovo rrrr rtcc rtce rtee rtve ruce ruct ruer ruet rurc rure ruro ruru rute ruto rutt rutu ruve ruvu rv-c rver tccc tccu tcov tctc teco tecr tect teec teej teer teet teev tejo teju teor ter- terc tere terj tero terr teru tete teto tetr tett tetu teut toce toco toee toer toet tojo toor toot torc tore toro torr tort toru torv totc tote toto totr tott tour tout touv tove tovo trcc tre- trec tree treo tret treu trev troc troe troo trot trou trtc trte trtr truc true trut truu tteo tter ttoe tttt tucc tuco tuer tuet tuor turc ture turo turr turt turu tute tuto tutt tutu tuuo tver tvro tvrr tvtv ucrc uctv ucut uocc uor- uore uovo ure- uret uro- uroo urre urte urur urut urve utec uter utor utto uttu uuoc uuuu uv-c uver uvvu vecc veer veet veor ver- vere vero vert vete veto vetr veur veve vevo voce voer voet voeu vooc voor voot vor- vore voro vort voru vote voto voue vour vout vreo vret vroc vrot vrto vtec vuco vurt vutv vver vvvv

-tree c-cor c-evo c-tec ccccc ccctv ccett ceco- ceere cejov ceoce ceoor cerc- cerce cerco cerec cerej cerer ceret cerje cero- ceroc cerou cerre cerro certe cervo ceto- cette co-co cocc- cocce cocco coceo cocto cocur coete coeur coeve cojoc cooee cooer coore coote corce core- coree corer coreu coro- corot corre corte corto cortv corve corvo coter cott- cotte cotto cottu couco couer coure court couru couto coutu couve coveo