a-a a-b a-c aaa aab aac aad aao aar aau aay ab- aba abb abc abd abo abr abu aby ac- aca acb acc acd aco acr acu acy ad- ada adb adc add ado adr adu ady aoa aob aoc aod aoo aor aou ar- ara arb arc ard aro arr aru ary au- aua aub auc aud auo aur ay- aya ayc ayd ayo ayr ayu b-u baa bab bac bad bao bar bau bay bba bbb bbc bbd bbo bbr bbu bby bca bcb bcc bcd bco bcr bcu bcy bda bdb bdc bdd bdo bdr bdu bdy boa bob boc bod boo bor bou boy bra brb brd bro brr bru bry bua bub buc bud buo bur buu buy by- bya byc byd byo byr byu c-- caa cab cac cad cao car cau cay cba cbb cbc cbd cbo cbr cbu cby cca ccb ccc ccd cco ccr ccu cda cdb cdc cdd cdo cdr cdu cdy co- coa cob coc cod coo cor cou coy cra crb crc crd cro crr cru cry cua cub cuc cud cuo cur cuu cuy cya cyb cyc cyd cyo cyr daa dab dac dad dao dar dau day dba dbb dbc dbd dbo dbr dbu dby dca dcb dcc dcd dco dcr dcu dda ddb ddc ddd ddo ddr ddu ddy doa dob doc dod doo dor dou doy dra drb drc drd dro drr dru dry dua dub duc dud duo dur duy dy- dya dyb dyc dyd dyo dyr dyu dyy oaa oab oac oad oao oar oau ob- oba obb obc obd obo obr obu oby oc- oca ocb occ ocd oco ocr ocu oda odb odc odd odo odr odu oo- ooa oob ooc ood ooo oor or- ora orb orc ord oro orr oru ory ou- oua ouc oud ouo our oya oyd oyo ra- raa rab rac rad rao rar rau ray rba rbb rbc rbd rbo rbr rbu rca rcb rcc rcd rco rcr rcu rda rdb rdc rdd rdo rdr rdu rdy roa rob roc rod roo ror rou roy rra rrb rrc rrd rrr rru rua rub ruc rud ruo rur ruu ruy ry- rya ryc ryd ryo ryr ryu ryy ua- uaa uab uac uad uao uar uau uay uba ubb ubc ubo ubr ubu uby uca ucb ucc ucd uco ucr ucu uda udb udc udd udo udr udu uoa uob uoc uod uoo uor ur- ura urb urc urd uro urr uru ury uua uuc uur uuu uyc uyo uyu yaa yab yac yad yao yar yau yay ybc ybr yby yca ycc ycd yco ycu ycy yda ydo ydy yob yoc yod yoo yor you yoy yra yrc yro yru yua yud yuo yur yuu yuy yyb yyc yyu yyy

a-do a-ya a-yo aaaa aaab aaac aaad aaar aaba aabb aabc aabd aaby aaca aacb aacc aacd aaco aacr aacu aacy aada aadc aadu aaoo aara aarc aard aaro aaru abaa abab abac abad abar abau abay abb- abba abbb abbo abbr abby abca abcb abcc abcd abcr abda abdo abdu abdy aboa abob abod aboo abor abou aboy abra abrc abro abry abua abud abuy abyc abyy acaa acab acac acad acar acba acca accc accd acco accu accy acda acdb acdc acoa acod acor acou acoy acr- acra acrc acro acrr acry acu- acuo acur adaa adab adac adad adao adar aday adba adbc adcc adda addc addd addo addr addu addy adob adoc adod adoo ador adra adro adry adua adub adur adya aoba aoca aora aorb arab arac arad arar arau aray arba arby arc- arca arco arda ardc ardo ardu aroa arob arod aroo aror arr- arra arrc arro arrr arru arry arua arub arud ary- arya auaa auby auca audc audo auoy aur- aura aurd auro auyo ay-o ayad ayao ayar ayay ayca ayda ayod ayoo ayou ayra ayry ayub ayur ayya baaa baad baar baba babb babo babr babu baby bac- baca bacc baco bada badb badd bado badr badu bady bar- bara barb barc bard baro barr baru bary bau- baud baur baya bayo bayu bbad bbau bbay bbbb bbdd bbdo bboy bbrc bbyo bcaa bcar bcbc bcca bccc bcda bcor bcra bcru bcuc bd-r bday bdbc bddc bdry boab boac boad boar boba bobb bobo bobu boby boca boco bocu boda bodb bodo bodu body boob booc bood boor bor- bora bord boro borr boru bory boua boud bour bouy boya boyd boyo brab brac brad brao brau bray brca brcb brda brdo brdy broa brob broc brod broo bror brou brrr bruc brud bry- brya bryd bryo buad buar buba bubb bubo bubu buca bucc buco bucu buda budb budd budo budu budy buoy bur- bura burb burd buro burr buru bury buyo buyu byar byoa byob byoc byod byrd byyd c-bo c-cd caaa caab caac caba cabo cabu caby cac- caca cacc caco cacr cada cadc cadd cado cadr cadu cady caod caor cara carb carc card caro carr cary cauc cauo cayo cayr cbac cbar cbbc cbca cbcc cbcr cbcu cbdb cbdc cbdo cbrd cbry ccaa ccab ccac ccad ccar ccba ccbc ccca cccb cccc cccu ccdc ccdr ccob ccoc ccod ccra ccrc ccuc cd-r cdaa cdac cdad cday cdba cdda cddb cddr coad coba cobb cobo cobu coby coca coco cocu coda codd cody coob cood cor- cora corb corc cord coro corr cory coua coub coud cour couy coya coyo coyr crab crac crar crau cray crbc crbu crca crcc crcr crda crdc crob croc crod croo cror croy crub crud cry- crya cryb cryo cuau cub- cuba cubb cuby cuca cucc cuda cura curb curd curo curr cury cuy- cuyo cuyr cya- cyaa cyar cyba cybb cybc cybo cyc- cyca cycb cycc cyoa cyra cyy- cyyc d-bo daab daad daar daau daba dabb dabo dabu daca dada dado dadu dady daou dara darb darc dard daro darr daru dary daub daud daur daya dayo dayu dbar dbcc dboy