-er -ey bbb bbc bbe bbo bbr bbt bby bcb bcc bce bco bcr bct bcy be- beb bec bee beo ber bet bey bob boc boe boo bor bot boy brb bre bro brr brt bry btb btc bte bto btr btt bty by- byc bye byo byr byt c-- cbb cbc cbe cbo cbr cbt cby ccb ccc cce cco ccr cct ce- ceb cec cee ceo cer cet cey co- cob coc coe coo cor cot coy crb crc cre cro crr crt cry ctb ctc cte cto ctr ctt cty cyb cyc cye cyo cyr cyt ebb ebc ebe ebo ebr ebt eby ec- ecb ecc ece eco ecr ect eeb eec eee eeo eer eet eey eo- eob eoc eoe eoo eor eot erb erc ere ero err ert ery etb etc ete eto etr ett ety eyc eye eyo eyr eyt ob- obb obc obe obo obr obt oby oc- ocb occ oco ocr oct oeb oec oee oeo oer oet oey oo- oob ooc ooo oor oot or- orb orc ore oro orr ort ory ot- otb otc ote oto otr ott oye oyo rbb rbc rbe rbo rbr rbt rcb rcc rce rco rcr rct re- reb rec ree reo rer ret rey rob roc roe roo ror rot roy rrb rrc rrr rrt rtb rtc rte rto rtr rtt rty ry- ryc rye ryo ryr ryy tbb tbc tbe tbo tbr tbt tcb tcc tce tco tcr tct te- teb tec tee teo ter tet tey to- tob toc toe too tor tot toy trb trc tre tro trr trt try ttb ttc tte tto ttr ttt tty tyc tye tyo tyr tyt ybc ybe ybr yby ycc yce yco ycy yeb yec yee yeo yer yet yey yob yoc yoe yoo yor yot yoy yrc yre yro yrt ytc yte yto ytr ytt yyb yyc yye yyt yyy

bbbb bbeb bbet bboy bbrc bbyo bcbc bccc bcec bcer bcet bcor bctc bebb bebe bebo beby beeb beer beet beey beo- beor beot berc bere bero berr bert bery betc bete beto bett beye beyt bobb bobe bobo boby boce boco boec boee boeo boer boet boey boob booc booe boor boot bor- bore boro borr bort bory botb bote boto bott boty boye boyo brcb brce breb brec bree breo brer bret brey brob broc broe broo bror brot brrr brtc bry- brye bryo btcc btec btob btor btrc btrt btry bttb byce byer byob byoc byre byrt byte c-bo cbbc cbcc cbce cbcr cbct cbec cbee cber cbet cbot cbre cbrt cbry cbtc cbyt ccbc cccb cccc ccee ccob ccoc ccrc ccre ccrt cctb cctc cctt cec- cece ceco cect ceeb ceec ceor cer- cerc cere cero cert cery cet- cete ceto cobb cobe cobo coby coce coco coct coob coot cor- corb corc core coro corr cort cory cotb cotc cote coto cott coty coyo coyr coyt crbc crcc crce crcr cre- creb crec cree creo cret crob croc croe croo cror crot croy crrt crtc cry- cryb cryo ctec ctor ctot ctrc cybb cybc cybo cyc- cycb cycc cyre cyrt cyt- cytb cyte cyto cyy- cyyc ebbc ebbo ebbr ebby ebcc eber eboe eboo ebor eboy ebro ecbc ecbe eccb eccc ecce ecco ecct eco- ecot ecrc ecrr ect- ectc ecto eeby eeee eeoc eerc eero eery eetc eete eore eotc eoto erbb erbe ercc erce ereb erec erer eret erob eroc eroe eroo errc erre erro eryc erye etbc etbr etcc etco etec etee eter etoe etoy etre etro ette etto etty eyeb eyec eyer eyet eyey eyot eyre eyry eyte eyyr o-eo obbo obby obec ober obet obey oboe obor obot oboy obre obro ocbc occc occt oce ocee ocet ocre ocro ocrr oct- octe octo octy oec- oecc oeec oere oeye oeyo oobe ooby oocr ooer oooo oore oort oory ootb ooty orbb orbe orbo orby orce orco ore- oreb orec oreo orer orey oro- oroe oror orot oroy orro orry ortc orte orto otee oter oto- otoe otoo otor otoy otre otro otry otte otto otyr oyce oyee oyer oyre rbbb rbbr rcbc rcbo rccb rccc rcet rctc rcyc rebb rebe rebo recc rece recr rect recy reeb reet reot rere rero rert rery rete reto retr rett rety reye rob- robb robe robo robt roby rocc roce roco roer roet roey roob roor root rorc rore roro rort rory rotc rote roto rotr rott roty roye royt rrrr rtcc rtce rtee rybe ryeb ryet ryob ryot rytt ryyt tbcb tbcc tbce tbrb tcby tccc tctc tebo teco tecr tect teec teer teet teor ter- terc tere tero terr tery tete teto tetr tett teye teyr to-y tobe tobo tobt toby toce toco toee toer toet toey toor toot torc tore toro torr tort tory totc tote toto totr tott toty toyb toyo toyt trcc tre- trec tree treo tret trey troc troe troo trot troy trtc trte trtr try- tryb trye tryo ttbb tteo tter ttoe ttoy tttt tybo tyce tyco tyee tyer tyet tyr- tyre tyro tyrr tyte tyto tytt tyty yber ybet ybor ybry yccc ycee yctc yeer yeet yeot yerb yere yero yerr yert yery yete yeto yett yeye yeyo yeyr yobo yoot yore yoro yort yory yote yott yoye yoyo ytre yyyy

-tree b-boy bbbee be-er be-ro beber bebot becco becry beebe beeby beery beete beety beory beote berbe bercy berec beret berey berob beroe beror berre berry berte berto berty betee beter betoo betor betre bett- bette betto betty betyb beyer beyre beyte bo-bo bobby bobet boboc bobr bobre bobry bocce bocet bocor boece boero booby booce booco booer boore boort booty booyo borbo borce borec boree borer boret borey boro- boroo borot borre borro botet botro botte botty botye boyce boyer boyet boyey boyte brece brecy breer breet breo- breoc brere brery breto brett breyr brobo broby broce broer broto broye brrrr bryce bryo- bryt- btc-e btr-t by-by bybee byrre byrte bytr- bytyc c-cor c-tec cc-by