felf feli fell felo felt feof ferc fere fero ferr fert ferz fete feti fetr fett ffcc ffee ffff ffii ffrr fftf ficc fice fico fict fiec fief fiel fier fiez fifc fife fiff fifi fifo fift fiii fiil file fili fill filo filz fioe fior fire fitc fite fiti fitt fitz fizz flcl flee fler flet flic flii flit floc floe floo flor flot floz foce foci foco foer fofo foie foil folc fole foli foll folo folr folt foof fool foot for- fore fori forl foro forr fort fote foti foto fott frcc free frei freo fret frfc fric frie fril frio frit friz froe frol frot ft-c ft-l fter ftfc ftii fzzt iccc iccf icci iccl icco iccr icct icec icee icef icel icer icet icle icll iclr icoc icor icrc icre icrf icrr icrt iecc ieet ieie ieio iele iere ieri ietf iett ifco ifel ifer ific ifil ifit ifor ifrf ifri ifto iiie iiii iiio iiit iioi iioo iirc iitr iitt ilce ile- ilec ileo iler ilet ilic ilie ilio ilir ilit ill- ille illi illo illt iloc iloo ilot ilre ilze ioci ioee ioel iofc ioii ioio ioit iole iolo ioof iooi iooo iore iori iote iotf ioto ircc iree irel irer irfe iri- iric irie iril irio iroc irrc irre irri irte irtf irti itec itel iter itet itic itie itif itil itll itof itoi itol itoo itor itrf itri ittf itto izel izet izle izze izzo lccc lcce lcer lcfc lcfr lcor lcrl lctl lcto lece leco lect leef leel leer leet lefe leff left leic leie leif leil leio leir leit lele leli lell lelo leoc leof leoi leor leoz lerc lere lero lert lete leti leto lett leze lezo lfcc lice lico licr lict lief liel lier liet liez life liff lifl lifo lift liii liir lile lili lill lilo lilt lio- lior lirc lire liri lirl liro lirr lirt lite liti litl lito litr litt litz lizi lizl llcc llef llet lllc llll lloc lloo locc loce loci loco loei lofe loff lofi loft loic loif loir loit lole loli loll lolo lolz looc looe loof lool loor loot looz lore lori loro lote loti lotl loto lotr lott lotz loze lozi lrfc lric lrif lroc lroi lrrc lrrr ltcc ltci ltee ltfc lttc lttr lztt o-eo occc occi occt oce ocee ocef ocet oclc ocre ocrl ocro ocrr oct- octe octi octo oec- oecc oeec oeil oele oere oeti oetz ofcl ofcr ofer off- offc offe offo offr ofit ofor ofoz ofre oici oier oiii oire oirt oitc oiti oitz oize olcc ole- olef olei oleo oler olet olfe olic olie olio olit olle olli ollo olof olor olot oocr ooer ooff oolo oooo oore oort ooze oozi orce orci orco ore- orec orel oreo orer orfe orff orfi ori- oric orie orif oril orio orit orle orlo oro- oroe orof oror orot oroz orri orro ortc orte orto orzo otcl otee oter otfc otic otif otit oto- otoe otof otoo otor otre otro otte otti otto otzi ozee ozel ozer ozet ozie ozil rccc rcet rcfc rcic rcle rctc rcti recc rece reci recr rect recz reef reel reet refe reff refi refl refr reft reif reii reil reir reit reiz rele rell relo relt reof reol reot rere reri rero rert rete reti reto retr rett retz reze rezi rfef rffc rffl rfic rftc ricc rice rico rict rief riel rier riet riez rife riff rift riif rile rill rilo riol riot rioz rire riri rite riti ritl rito ritt ritz rize rizi rizz rlee rlef rlif rocc roce roco roel roer roet rofc rofe roff rofl rofo roif roil roio roir roit roiz role rolf roll rolo rolt roof rooi rool roor root rooz rorc rore rori roro rort rotc rote roti rotl roto rotr rott roze rozi rozz rrfc rrif rrle rrrr rtcc rtce rtee rtei rtfc rtle rtlt tccc tcfc tctc tecl teco tecr tect teec teef teel teer teet teez tefc teff tefi tefl teft teic teie teil teir tel- telc tele teli tell telo telt telz teor teoz ter- terc tere terf teri tero terr tete teti teto tetr tett tetz tezz tfec tfot tftc ticc tice tico tie- tiee tief tiei tiel tieo tier tiet tiff tifo tift tiit tile till tilo tilr tilt tire tiri tirl tiro tirr titc tite titi tito titt titz tizi tizz tlco tlli toce toci toco toee toei toer toet toff tofi tofo toft toie toil toit tol- tole toli toll tolo tolt toof tool toor toot torc tore torf tori toro torr tort totc tote toti toto totr tott toze tozo trcc trcl tre- trec tree tref trei treo tret trez trfc trfr tri- tric trie trif tril trio trit triz troc troe troi troo trot trtc trte trtr tteo tter ttfc ttff ttoe tttt tzzt z-ro zeel zeff zeif zeil zeir zeit zele zeli zell zelo zerf zeri zero zert zete zeto zeze zice zico ziel ziff zift zile zill zilo zirc ziri ziro ziti zito zizi zizz zloc zlot zoco zoel zoet zoff zoic zoio zole zoli zoll zolo zoo- zool zoot zorc zore zori zoro zort zote zoti zott zotz zozo zrce zrze zzzz

-tree c-cor c-tec ccccc cccii cccli ccell ccett ccifc cciii ccitt cclef cclii ccrcl ccrel cctrl ceci- cecie cecil ceco- cecri ceele ceelo ceere cefor ceile ceili ceirt ceize celco celer celi- celic celie celio cell- celle celli cello celo- celte ceoce ceoor ceorl cerc- cerce cerci cerco cerec cerer ceret ceric cerie cerio cero- ceroc cerre cerro certe cetic ceto- cette cfler cicer cicle ciele cieli cielo cietc cifer cifft cifte cilec cili- cilic cille cilli circe circo cirez ciric cirie ciril cirio cirr- cirri cirro citec citee citer citie citr- citro citte cizer cizre clcff cleco cleef cleer cleet clefe cleft cleie cleir cleit clerc clere clete cleto clett clie clier cliff clifi clift clire clite clito cloff cloi- cloit cloof cloor cloot clore