a-be a-ya aaaa aaab aaac aaae aaar aaba aabb aabc aaby aaca aacb aacc aace aacr aacu aacy aaea aaec aara aarc aare aaru abaa abab abac abae abar abau abay abb- abba abbb abbe abbr abby abca abcb abcc abcr abec abee aber abey abra abrc abry abua abue abuy abyc abye abyy acaa acab acac acae acar acba acca accc acce accu accy ace- acea acec acer acey acr- acra acrc acre acrr acry acu- acue acur aeac aeby aecb aeer aer- aera aerc aery arab arac arae arar arau aray arba arbe arby arc- arca arce area arec aree areu arey arr- arra arrc arre arrr arru arry arua arub arue ary- arya arye auaa aube auby auca auce auer aur- aura aure ayar ayay ayca ayce ayer ayra ayre ayry ayub ayur ayya baaa baar baba babb babe babr babu baby bac- baca bacc bace baer bar- bara barb barc bare barr baru bary bau- baur baya baye bayu bbau bbay bbbb bbeb bbrc bcaa bcar bcbc bcca bccc bcec bcer bcra bcru bcuc bear beau beay beba bebb bebe beby beca becu beeb beer beey bera berc bere berr beru bery beur beya beye brab brac brae brau bray brca brcb brce brea breb brec bree brer brey brrr bruc brue bry- brya brye buar buba bubb bube bubu buca bucc buce bucu buea buer bueu bur- bura burb bure burr buru bury buyu byar byce byer byre caaa caab caac caba cabe cabu caby cac- caca cacc cace cacr caec caer caeu cara carb carc care carr cary cauc caye cayr cbac cbar cbbc cbca cbcc cbce cbcr cbcu cbea cbec cbee cber cbre cbry ccaa ccab ccac ccar ccba ccbc ccca cccb cccc cccu ccee ccra ccrc ccre ccuc ceac cear ceba cebu cec- ceca cece ceeb ceec cer- cera cerc cere cery ceyu crab crac crar crau cray crbc crbu crca crcc crce crcr cre- crea creb crec cree creu crub crue cry- crya cryb cuau cub- cuba cubb cube cuby cuca cucc cuce cuer cura curb cure curr cury cuy- cuyr cya- cyaa cyar cyba cybb cybc cyc- cyca cycb cycc cyra cyre cyy- cyyc eaba eaca eacc eaec eara earb eare eary ebac ebay ebba ebbc ebbr ebby ebcc eber ebru ebur ebya ecaa ecac ecar ecbc ecbe ecca eccb eccc ecce ecra ecrc ecrr ecru ecua eeby eeca eeea eeee eera eerc eery erau eray erba erbb erbe erca ercc erce ereb erec erer erra errc erre erua erub eruc erur erya eryc erye euba eubc euer eur- eura eurc eure eury eyeb eyec eyer eyey eyra eyre eyry eyyr raab raba rabb rabe rabu raby rac- raca racc race racu racy raec raer rara rarb rare rary raua raub rauc raue raya raye rayr rayu rbbb rbbr rcac rcbc rccb rccc rcyc rea- reac reae rear reau reay reba rebb rebe rebu reca recc rece recr recu recy reeb rera rere reru rery reue reuu reya reye rrrr ruba rubb rube rubu ruby ruca ruce ruer rura rurc rure ruru ruya ryba rybe ryeb ryue uabc uaca uarc uaru uaua ubac ubar ubay ubba ubbe uber ubra ucar ucbc ucca ucea ucrc ucua ueba urac urau uray urba urbe urca urcy ure- urea urey urra urre urry urur uuuu uyar uyea uyre yaar yaba yacc yacy yara yarb yare yarr yaru yary yaue yaya yayu yber ybry ycab yccc ycee ye-u year yeer yerb yere yerr yery yeue yeye yeyr yuba yubu yuca yuce yuea yuer yura yure yury yuya yuye yuyu yyyy