a-be a-ya a-yo aaaa aaab aaac aaae aaar aaba aabb aabc aaby aaca aacb aacc aace aaco aacr aacy aaea aaec aaoe aaoo aara aarc aare aaro abaa abab abac abae abar abay abb- abba abbb abbe abbo abbr abby abca abcb abcc abcr abec abee aber abey aboa abob aboo abor aboy abra abrc abro abry abyc abye abyy acaa acab acac acae acar acba acca accc acce acco accy ace- acea acec acer acey acoa acoe acor acoy acr- acra acrc acre acro acrr acry aeac aeby aecb aeer aer- aera aerc aero aery aoba aoca aoce aora aorb arab arac arae arar aray arba arbe arby arc- arca arce arco area arec aree areo arey aroa arob aroe aroo aror arr- arra arrc arre arro arrr arry ary- arya arye ay-o ayao ayar ayay ayca ayce ayer ayoo ayra ayre ayry ayya baaa baar baba babb babe babo babr baby bac- baca bacc bace baco baer bar- bara barb barc bare baro barr bary baya baye bayo bbay bbbb bbeb bboy bbrc bbyo bcaa bcar bcbc bcca bccc bcec bcer bcor bcra bear beay beba bebb bebe bebo beby beca beeb beer beey beo- beor bera berc bere bero berr bery beya beye boab boac boar boba bobb bobe bobo boby boca boce boco boea boec boee boeo boer boey boob booc booe boor bor- bora bore boro borr bory boya boye boyo brab brac brae brao bray brca brcb brce brea breb brec bree breo brer brey broa brob broc broe broo bror brrr bry- brya brye bryo byar byce byer byoa byob byoc byre c-bo caaa caab caac caba cabe cabo caby cac- caca cacc cace caco cacr caec caer caor cara carb carc care caro carr cary caye cayo cayr cbac cbar cbbc cbca cbcc cbce cbcr cbea cbec cbee cber cbre cbry ccaa ccab ccac ccar ccba ccbc ccca cccb cccc ccee ccob ccoc ccra ccrc ccre ceac cear ceba cec- ceca cece ceco ceeb ceec ceor cer- cera cerc cere cero cery coba cobb cobe cobo coby coca coce coco coob cor- cora corb corc core coro corr cory coya coyo coyr crab crac crar cray crbc crca crcc crce crcr cre- crea creb crec cree creo crob croc croe croo cror croy cry- crya cryb cryo cya- cyaa cyar cyba cybb cybc cybo cyc- cyca cycb cycc cyoa cyra cyre cyy- cyyc eaba eaca eacc eaec eara earb eare earo eary ebac ebay ebba ebbc ebbo ebbr ebby ebcc eber eboe eboo ebor eboy ebro ebya ecaa ecac ecao ecar ecbc ecbe ecca eccb eccc ecce ecco eco- ecra ecrc ecrr eeby eeca eeea eeee eeoc eera eerc eero eery eora eore eray erba erbb erbe erca ercc erce ereb erec erer erob eroc eroe eroo erra errc erre erro erya eryc erye eyeb eyec eyer eyey eyra eyre eyry eyyr o-eo oaer oara oare oary obay obba obbo obby obea obec ober obey oboe obor oboy obra obre obro ocab ocac ocbc occa occc oce ocee ocra ocre ocro ocrr oec- oeca oecc oeec oera oere oeya oeye oeyo ooaa ooba oobe ooby oocr ooer oooo oora oore oory orab orac orae orao orar oray orba orbb orbe orbo orby orca orce orco ore- orea oreb orec oreo orer orey oro- oroe oror oroy orra orro orry orya oyce oyee oyer oyre raab raba rabb rabe rabo raby rac- raca racc race raco racy raec raer raob raoc rara rarb rare raro rary raya raye rayr rbbb rbbr rcac rcbc rcbo rccb rccc rcyc rea- reac reae reao rear reay reba rebb rebe rebo reca recc rece recr recy reeb rera rere rero rery reya reye roab roar rob- roba robb robe robo roby roca rocc roce roco roea roer roey roob roor rora rorc rore roro rory roya roye rrrr ryba rybe ryeb ryob yaar yaba yabo yacc yaco yacy yara yarb yare yaro yarr yary yaya yayo yber ybor ybry ycab ycao yccc ycee year yeer yerb yere yero yerr yery yeye yeyo yeyr yoar yoba yobo yore yoro yory yoye yoyo yyyy