a-be a-do aaaa aaab aaac aaad aaae aaal aaap aaar aaba aabb aabc aabd aabl aabp aaca aacb aacc aacd aace aacl aaco aacp aacr aacu aada aadc aade aadu aaea aaec aaep aala aalc aald aale aall aalo aalu aaoe aaoo aapa aapc aapl aapo aara aarc aard aare aaro aarp aaru aaup abaa abab abac abad abae abal abap abar abau abb- abba abbb abbe abbo abbr abca abcb abcc abcd abcl abcp abcr abda abdo abdu abec abed abee abel aber abla able ablo aboa abob abod abol aboo abor abou abpa abpc abpd abpp abpr abra abrc abro abua abud abue abul acaa acab acac acad acae acap acar acba acbl acca accc accd acce acco accp accu acda acdb acdc acde acdp ace- acea acec aced acel acer acla aclc acle aclr aclu acoa acod acoe acol acop acor acou acpa acpd acpe acpr acpu acr- acra acrc acre acro acrr acu- acue acul acuo acup acur adaa adab adac adad adae adal adao adap adar adba adbc adcc adda addc addd adde addl addo addr addu adea adeb adee adel adeo ader adle adob adoc adod adoe adoo ador adp- adra adre adro adua adub adue adur aeac aeap aecb aecl aede aeer aela aelc aelp aer- aera aerc aerd aero al-p alaa alac alad alae alal alao alap alar alau alb- alba albc albe albo albu alca alcc alce alco ald- alda alde aldl aldo alea alec aled alee aleo alep aler aleu all- alla alle alll allo allr allu aloa aloc alod aloe alol aloo alop alor alou alpa alpe alpl alpo alpu alro alua alur aoba aoca aoce aoeu aola aole aopo aora aorb aoul apac apal apao apap apar apba apbr apca apcb apcc apcd apco apcr apda apdd apdu apea apec aped apel apep aper apeu apl- apla aple aplp aplu apo- apoc apod apoe apoo apop apor apou appa appc appd appl appr appu apra aprc apre apro apua apuc apud apup arab arac arad arae aral arap arar arau arba arbe arc- arca arce arco arda ardc arde ardl ardo ardu area arec ared aree arel areo arep areu arla arle arlo aroa arob arod aroe aroo aror arpa arpe arpl arpu arr- arra arrc arre arro arrr arru arua arub arud arue arul arup auaa aube auca auce aucp audc aude audo auel auer aul- aula auld aule aull aulo aulu auol aupc aur- aura aurd aure auro baaa baad baal baar baba babb babe babo babr babu bac- baca bacc bace baco bada badb badd bade bado badr badu baed bael baer bala balc bald bale ball balo balu baol bapa bapc bape bapp bapu bar- bara barb barc bard bare baro barr baru bau- baud baul baur bbad bbau bbbb bbdd bbdo bbeb bblb bbpr bbrc bcaa bcap bcar bcbc bcbp bcca bccc bccl bcda bcde bcec bcer bcor bcpl bcpp bcra bcru bcuc bcup bd-r bdbc bddc bdle bdpc bead beal beap bear beau beba bebb bebe bebo beca becu beda bede bedl bedo bedu beeb beed beel beep beer bela beld bele bell belo belp belu beo- beod beor bepo bera berc berd bere bero berr beru beur blaa blab blac blad blae blau blcu bldc bldr blea bleb bled blee bleo bleu blob bloc blod bloo blop blou blrc blub blud blue blup blur boab boac boad boal boar boba bobb bobe bobo bobu boca boce boco bocu boda bodb bode bodo bodu boea boec boee boel boeo boep boer bola bold bole boll bolo bolu boob booc bood booe bool boop boor bopa bope bopp bor- bora bord bore boro borr boru boua boud boue boul boup bour bpcp bpda bpea bpel bpoe bprc bprd brab brac brad brae brao brau brca brcb brce brda brdo brea breb brec bred bree brel breo brep brer brlp broa brob broc brod broe brol broo bror brou brrr bruc brud brue brup buad bual buar buba bubb bube bubo bubu buca bucc buce buco bucu buda budb budd bude budl budo budu buea buel buer bueu bula bulb buld bule bull bulu buol bupa bupc bur- bura burb burd bure burl buro burp burr buru c-bo c-cd caaa caab caac caal caap caba cabe cabo cabu cac- caca cacc cace caco cacr cada cadc cadd cade cado cadr cadu caec caer caeu cala calc cald cale call calo calp calu caod caol caor capa capb capc capd cape capo capp capu cara carb carc card care carl caro carp carr cauc caul cauo caup cbac cbal cbar cbbc cbca cbcc cbce cbcl cbcp cbcr cbcu cbdb cbdc cbdo cbea cbec cbee cber cblb cblc cbol cbpc cbpp cbrd cbre cbrl ccaa ccab ccac ccad ccap ccar ccba ccbc ccca cccb cccc cccl cccp cccu ccdc ccdp ccdr cced ccee ccel ccla cclc ccob ccoc ccod ccpa ccpe ccpl ccpp ccpr ccra ccrc ccre ccrl ccrp ccuc ccup cd-e cd-r cdaa cdac cdad cdba cdda cddb cddl cddr cdec cder cdre ceac cead ceal cear ceba cebp cebu cec- ceca cece ceco cecp ceda cedd cede cedo cedu ceeb ceec ceel cel- cela celc cele cell celo ceol ceop ceor ceou cepa cepc cepe cepo cepp cepr cer- cera cerc cerd cere cerl cero cerp clab clad clap clar clau clcd cldc cldr clea clec cled clee cleo clep cler cleu clob clod cloe cloo clop clor clou clpb clpp clra clrd clro club clud clue coad coal coba cobb cobe cobo cobu coca coce coco cocp cocu coda codd code codl coed coel coep col- cola colb cold cole coll colo colp colu coob cood cool coop copa copd cope copo copp copr cor- cora corb corc cord core corl coro corp corr coua coub coud coue coul coup cour cpaa cpac cpad cpap cpbc cpca cpce cpcu cpdl cpea cpeb cpep cper cplc cppa cppd cpre crab crac crap crar crau crbc crbu crca crcc crce crcr crda crdc cre- crea