-er bbb bbc bbe bbo bbr bbt bcb bcc bce bcj bco bcr bct be- beb bec bee beo ber bet bjc bjj bjr bjt bob boc boe boj boo bor bot brb bre brj bro brr brt btb btc bte bto btr btt c-- c-j cbb cbc cbe cbj cbo cbr cbt ccb ccc cce ccj cco ccr cct ce- ceb cec cee cej ceo cer cet cjb cjc cjr co- cob coc coe coj coo cor cot crb crc cre crj cro crr crt ctb ctc cte cto ctr ctt ebb ebc ebe ebj ebo ebr ebt ec- ecb ecc ece ecj eco ecr ect eeb eec eee eeo eer eet ejc ejo ejt eo- eob eoc eoe eoo eor eot erb erc ere ero err ert etb etc ete etj eto etr ett jbc jbj jbo jbr jbt jcb jcc jce jco jcr jct jeb jec jee jej jeo jer jet jjb jjc jjj jjr job joc joe joj joo jor jot jrb jrc jro jrr jrt jtb jtc jte jtr jtt ob- obb obc obe obj obo obr obt oc- ocb occ ocj oco ocr oct oeb oec oee oeo oer oet ojb ojc oje ojo oo- oob ooc ooo oor oot or- orb orc ore oro orr ort ot- otb otc ote oto otr ott rbb rbc rbe rbo rbr rbt rcb rcc rce rcj rco rcr rct re- reb rec ree reo rer ret rjc rjr rob roc roe roj roo ror rot rrb rrc rrr rrt rtb rtc rte rtj rto rtr rtt tbb tbc tbe tbj tbo tbr tbt tcb tcc tce tcj tco tcr tct te- teb tec tee tej teo ter tet tjc tje tjo tjr to- tob toc toe toj too tor tot trb trc tre tro trr trt ttb ttc tte tto ttr ttt

bbbb bbeb bbet bbrc bcbc bccc bcec bcer bcet bcor bctc bebb bebe bebo beeb beej beer beet beo- beor beot berc bere bero berr bert betc bete beto bett bjcc bjec bobb bobe bobo boce boco boec boee boeo boer boet bojo bojt boob booc booe boor boot bor- bore borj boro borr bort botb bote boto bott brcb brce breb brec bree breo brer bret brje brob broc broe broo bror brot brrr brtc btcc btec btob btor btrc btrt bttb c-bo cbbc cbcc cbce cbcr cbct cbec cbee cber cbet cbot cbre cbrj cbrt cbtc ccbc cccb cccc ccee ccjo ccob ccoc ccrc ccre ccrt cctb cctc cctt cec- cece ceco cect ceeb ceec cejc ceor cer- cerc cere cero cert cet- cete ceto cjbc cjcb cjcj cjob cjor cjrb cjrc cjrj cjtr cobb cobe cobo coce coco coct cojo coob coot cor- corb corc core coro corr cort cotb cotc cote coto cott crbc crcc crce crcr cre- creb crec cree creo cret crob croc croe croo cror crot crrt crtc ctec ctor ctot ctrc ebbc ebbo ebbr ebcc eber eboe eboo ebor ebro ecbc ecbe eccb eccc ecce ecco ecct eco- ecot ecrc ecrr ect- ectc ecto eeee eeoc eerc eero eetc eete ejer ejob ejoo ejot eore eotc eoto erbb erbe ercc erce ereb erec erer eret erob eroc eroe eroo errc erre erro etbc etbr etcc etco etec etee eter etoe etre etro ette etto j-ro jbob jcbc jccc jcrc jebb jebe jeer jeet jere jero jert jetb jete jett jjcc jobe jobo joce joco joee jojo joor joot jore joro jort joto jott jrbr jrtc jtbc jtcc o-eo obbo obec ober obet oboe obor obot obre obro ocbc occc occt oce ocee ocet ocre ocro ocrr oct- octe octo oec- oecc oeec oere oobe oocr ooer oooo oore oort ootb orbb orbe orbo orce orco ore- oreb orec oreo orer oro- oroe oror orot orro ortc orte orto otee oter oto- otoe otoo otor otre otro otte otto rbbb rbbr rcbc rcbo rccb rccc rcet rctc rebb rebe rebo recc rece recr rect reeb reet reot rere rero rert rete reto retr rett rob- robb robe robo robt rocc roce roco roer roet roje rojo roob roor root rorc rore roro rort rotc rote rotj roto rotr rott rrrr rtcc rtce rtee tbcb tbcc tbce tbrb tccc tctc tebo teco tecr tect teec teej teer teet tejo teor ter- terc tere terj tero terr tete teto tetr tett tobe tobo tobt toce toco toee toer toet tojo toor toot torc tore toro torr tort totc tote toto totr tott trcc tre- trec tree treo tret troc troe troo trot trtc trte trtr ttbb tteo tter ttoe tttt

-tree bbbee be-er be-ro beber bebot becco becej beebe beete bejte beote berbe berec beret berob beroe beror berre berte berto betee beter betoo betor betre bett- bette betto bo-bo bobet boboc bobr bobre bocce bocet bocor boece boero bojer booce booco booer boore boort borbo borce borec boree borer boret borje boro- boroo borot borre borro botet botro botte brece breer breet brejo breo- breoc brere breto brett brobo broce broer broje broto brrrr btc-e btr-t c-cor c-tec ccccc ccett cebec ceber ceco- ceere ceoce ceoor cerc- cerce cerco cerec cerej cerer ceret cerje cero- ceroc cerre cerro certe ceto- cette co-bo co-co cobbe cobot cobre cocc- cocce cocco coceo cocto coete cojoc cooee cooer coore coote corbe corbo corce core- coree corer coro- corot corre corte corto coter cott- cotte cotto crebe crece creer creo- creot crete croce croco crooe croot crore crote crott ctree cttee ebber ebbet ebert ecto- ector ectot eeeee eject eorre erbbe erber erect erere eroor erore eroto error erte erter etete etoro etree etter j-roc jebet jeroo jerre jerte jetco jetee jeter jette jetto jobbe joe-e jooto joree jotto jrotc o-r-b obbet obejo obert obete objet oboro obote obreb ocoee ocote ocr-b ocree octet octo- octor oeco- oerje oo-er oocre ooooo orbec orbot orcet oreco oreo- orere orero orobe orobo oroco oroer orret orter ortet ortoo otcbb otere otero otoce ototo otter r-co- rebbe rebec reber rebet recce recco recet rect- recte