-er -ic c-- ccc cce cci ccl ccr cct ccu ce- cec cee cei cel cer cet ceu ci- cic cie cii cil cir cit ciu cl- clc cle cli cll clr clt clu crc cre cri crl crr crt cru ctc cte cti ctl ctr ctt ctu cuc cue cui cul cur cut cuu ec- ecc ece eci ecl ecr ect ecu eec eee eel eer eet eic eie eii eil eir eit eiu elc ele eli ell elr elt elu erc ere eri erl err ert eru etc ete eti etl etr ett etu eu- euc eue eui eul eur eut icc ice ici icl icr ict icu ie- iec iee iei iel ier iet iic iie iii iil iir iit iiu il- ilc ile ili ill ilr ilt ilu ir- irc ire iri irl irr irt iru itc ite iti itl itt itu iu- iuc iue iui iur iut lcc lce lci lcl lcr lct lcu lec lee lei lel ler let leu lic lie lii lil lir lit liu llc lle lli lll llr llt llu lrc lri lrr lrt lru ltc lte lti ltl ltr ltt ltu luc lue lui lul lur lut luu rcc rce rci rcl rcr rct rcu re- rec ree rei rel rer ret reu ric rie rii ril rir rit rlc rle rli rll rlr rlt rlu rrc rri rrl rrr rrt rru rtc rte rti rtl rtr rtt rtu ruc rue rui rur rut ruu tcc tce tci tcl tcr tct tcu te- tec tee tei tel ter tet teu tic tie tii til tir tit tiu tlc tle tli tll tlr tlt tlu trc tre tri trl trr trt tru ttc tte tti ttl ttr ttt ttu tuc tue tui tul tur tut tuu ucc uce uci ucl ucr uct ucu uec uee uei uel uer uet uic uie uii uil uir uit uiu ulc ule uli ull ulr ult ulu ur- urc ure uri url urr urt uru utc ute uti utl utr utt utu uuc uue uur uut uuu

cccc ccci cccl cccu ccee ccel ccic ccii ccil ccir cclc ccli ccrc ccre ccri ccrl ccrt cctc cctl cctt ccuc ccut cec- cece ceci cect ceec ceel ceil cel- celc cele celi cell celt cer- cerc cere ceri cerl cert cet- cete ceti ceui cicc cici cicr cict cicu ciee ciel cier ciii ciit cili cill cilt circ cire ciri cirl cirr cirt cite citi citl citt citu ciuc clec clee clei cler clet cleu clic clii clir clit clri cltc clue clut crcc crce crcr cre- crec cree crei cret creu cric crie crit criu crrt crtc crtl crue crut ctec ctic ctle ctrc ctrl cucc cuce cuci cuer cui- cuil cuir cuit culc cule cull cult cure curi curl curr curt cut- cutc cute cutt e-cl eccc ecce ecci eccl ecct ecil ecit eclt ecrc ecri ecrl ecrr ecru ect- ectc eeee eele eerc eetc eete eetu eiec eiei eier eile eire eitc eiti eitr elce elec elee eler elet elic elie elil elit elle elli ellu elte elue elui elul ercc erce erec erei erel erer eret eric erie eril erit eriu erle erli erll errc erre ertl ertu eruc erur etcc etec etee etel eter etic etre ette etti ettu etui euer eule eur- eurc eure eurt iccc icci iccl iccr icct iccu icec icee icel icer icet icle icll iclr icrc icre icrr icrt icru icue iecc ieet ieie iele iere ieri iett iiie iiii iiit iirc iitr iitt iiuc ilce ile- ilec iler ilet ilic ilie ilir ilit ill- ille illi illt ilre ilut ircc ircu iree irel irer iri- iric irie iril irrc irre irri irte irti irul itec itel iter itet itic itie itil itll itri itur iucc iuce iuel iuiu lccc lcce lcer lcrl lctl le-u lece lect leel leer leet leic leie leil leir leit lele leli lell lelu lerc lere lert lete leti lett leuc leur lice licr lict liel lier liet lieu liii liir lile lili lill lilt lilu lirc lire liri lirl lirr lirt liru lite liti litl litr litt litu liue liut llcc llet lleu lllc llll lric lrrc lrrr ltcc ltci ltee lttc lttr ltuc luce luci luer luit lule luli lull lulu lure luri lurt lute luti rccc rcet rcic rcle rctc rcti recc rece reci recr rect recu reel reet reii reil reir reit reiu rele rell relt rere reri rert reru rete reti retr rett reue reul reut reuu ricc rice rict riel rier riet rieu rile rill rilu rire riri rite riti ritl ritt ritu riue rlee rleu rrle rrrr rtcc rtce rtee rtei rtle rtlt ruce ruci ruct ruel ruer ruet ruit rule rull rurc rure ruri ruru rute ruti rutl rutt rutu tccc tccu tctc tcul tecl tecr tect teec teel teer teet teic teie teil teir teiu tel- telc tele teli tell telt telu ter- terc tere teri terr teru tete teti tetr tett tetu teut ticc tice tie- tiee tiei tiel tier tiet tiit tiiu tile till tilr tilt tire tiri tirl tirr tiru titc tite titi titt titu tlli trcc trcl tre- trec tree trei tret treu tri- tric trie tril trit trtc trte trtr truc true trut truu tter tttt ttul tucc tuei tuel tuer tuet tuil tuit tuiu tule tuli tull tulu turc ture turi turr turt turu tute tuti tutl tutt tutu u-ie ucci ucel ucil ucrc ucut ueir uele ueli uell uile uirr ulcc ulee ulic ulie ulle ulli ullr ulti ultt ulul urci ure- uret uric urie uriu urle urre urri urte urur urut utec utel uter util utri utti uttu uulu uuri uuuu

-tree c-tec ccccc cccii cccli ccell ccett cciii ccitt cclii ccrcl ccrel cctrl ceci- cecie cecil cecri ceele ceere ceile ceili ceirt celer celi- celic celie cell- celle celli celte cerc- cerce cerci cerec cerer ceret ceric cerie cerre certe cetic cette ceuti cicer ciceu cicle ciele cieli cietc cilec cili- cilic cille