-al -er a-a a-b aaa aab aad aae aal aar aau ab- aba abb abd abe abl abr abu ad- ada adb add ade adl adr adu aea aeb aed aee ael aer aeu al- ala alb ald ale all alr alu ar- ara arb ard are arl arr aru au- aua aub aud aue aul aur b-u baa bab bad bae bal bar bau bba bbb bbd bbe bbl bbr bbu bda bdb bdd bde bdl bdr bdu be- bea beb bed bee bel ber beu bla blb bld ble bll blr blu bra brb brd bre brl brr bru bua bub bud bue bul bur buu daa dab dad dae dal dar dau dba dbb dbd dbe dbl dbr dbu dda ddb ddd dde ddl ddr ddu de- dea deb ded dee del der deu dl- dla dlb dld dle dll dlr dlu dra drb drd dre drl drr dru dua dub dud due dul dur eaa eab ead eae eal ear eau eba ebb ebd ebe ebl ebr ebu ed- eda edb edd ede edl edr edu eea eeb eed eee eel eer ela elb eld ele ell elr elu era erb erd ere erl err eru eu- eua eub eud eue eul eur la- laa lab lad lae lal lar lau lba lbb lbd lbe lbl lbr lbu lda ldb ldd lde ldl ldr ldu lea leb led lee lel ler leu lla llb lld lle lll llr llu lra lrb lrd lrr lru lua lub lud lue lul lur luu ra- raa rab rad rae ral rar rau rba rbb rbd rbe rbl rbr rbu rda rdb rdd rde rdl rdr rdu re- rea reb red ree rel rer reu rla rld rle rll rlr rlu rra rrb rrd rrl rrr rru rua rub rud rue rur ruu ua- uaa uab uad uae ual uar uau uba ubb ube ubl ubr ubu uda udb udd ude udl udr udu uea ueb ued uee uel uer ula ulb uld ule ull ulr ulu ur- ura urb urd ure url urr uru uua uue uur uuu

a-be aaaa aaab aaad aaae aaal aaar aaba aabb aabd aabl aada aade aadu aaea aala aald aale aall aalu aara aard aare aaru abaa abab abad abae abal abar abau abb- abba abbb abbe abbr abda abdu abed abee abel aber abla able abra abua abud abue abul adaa adab adad adae adal adar adba adda addd adde addl addr addu adea adeb adee adel ader adle adra adre adua adub adue adur aede aeer aela aer- aera aerd alaa alad alae alal alar alau alb- alba albe albu ald- alda alde aldl alea aled alee aler aleu all- alla alle alll allr allu alua alur arab arad arae aral arar arau arba arbe arda arde ardl ardu area ared aree arel areu arla arle arr- arra arre arrr arru arua arub arud arue arul auaa aube aude auel auer aul- aula auld aule aull aulu aur- aura aurd aure baaa baad baal baar baba babb babe babr babu bada badb badd bade badr badu baed bael baer bala bald bale ball balu bar- bara barb bard bare barr baru bau- baud baul baur bbad bbau bbbb bbdd bbeb bblb bd-r bdle bead beal bear beau beba bebb bebe beda bede bedl bedu beeb beed beel beer bela beld bele bell belu bera berd bere berr beru beur blaa blab blad blae blau bldr blea bleb bled blee bleu blub blud blue blur brab brad brae brau brda brea breb bred bree brel brer brrr brud brue buad bual buar buba bubb bube bubu buda budb budd bude budl budu buea buel buer bueu bula bulb buld bule bull bulu bur- bura burb burd bure burl burr buru daab daad daae daal daar daau daba dabb dabu dada dade dadu daeb daer daeu dala dale dall dalu dara darb dard dare darl darr daru daub daud daue daur dbar dddd ddre ddub dead deae deal dear deau deba debe debu deda dedd dede dedu deeb deed deel deer dela deld dele dell der- dera derb dere derr deua deue deul deur dlab dlbd draa drab drad drar drau drba drda drea dred dree drel drra drua drub drue druu duaa duab duad dual duar dub- duba dubb dube dubu duda dudd dude dudu duel duer dula dule dull dulu dura dure duru duul duur e-la eaba eada eadb eadd eala eald eale eara earb eard eare earl ebal ebba ebbr ebed ebel eber ebla ebru ebul ebur edad edar edda edde ede- edea edel eder edla edle edra edru edur eede eedu eeea eeee eele eera el-b elab elad elal elar elba elbe elbu elda elde eldr elea eled elee eler ella elle ellu elra elue elul erad eral erau erba erbb erbe erda erde ereb ered erel erer erla erld erle erll erra erre erua erub erur euba eude euer eula eule eur- eura eure laaa laad laal laar laba labe labr labu lada ladd lade ladu lael laer lala lald lale lall lalu lara larb lard lare larr laru laub laud laue laul laur lbar lblr le-u leaa lead leal lear leau leba lebd lebu leda lede leea leed leel leer lela lele lell lelu lera lerd lere leud leur lldb lleu llll llud lral lrba lrdd lrrr luau luba lube luda ludd lude lued luer lula lule lull lulu lura lurd lure luua raab raad raba rabb rabe rabl rabu rada radd rade radl radr radu raed rael raer rala ralb rale rall rara rarb rare raua raub raud raue raul rbbb rbbr rble rder rea- read reae real rear reau reba rebb rebe rebu reda redd rede redl redr redu reeb reed reel rela relb reld rele rell rera rerd rere reru reue reul reuu rlab rlee rleu rlua rrad rred rrle rrrr ruad ruba rubb rube rubu ruda rudd rude rudl rued ruel ruer rula rule rull rura rurd rure ruru ruud uald uaru uaua