-al -er a-a a-b aaa aab aad aae aaf aal aar aau ab- aba abb abd abe abf abl abr abu ad- ada adb add ade adf adl adr adu aea aeb aed aee aef ael aer aeu af- afa afb afd afe aff afl afr afu al- ala alb ald ale alf all alr alu ar- ara arb ard are arf arl arr aru au- aua aub aud aue auf aul aur b-u baa bab bad bae baf bal bar bau bba bbb bbd bbe bbf bbl bbr bbu bda bdb bdd bde bdf bdl bdr bdu be- bea beb bed bee bef bel ber beu bfa bfb bfd bfe bff bfl bfr bfu bla blb bld ble blf bll blr blu bra brb brd bre brf brl brr bru bua bub bud bue buf bul bur buu daa dab dad dae daf dal dar dau dba dbb dbd dbe dbf dbl dbr dbu dda ddb ddd dde ddf ddl ddr ddu de- dea deb ded dee def del der deu dfa dfb dfd dfe dff dfl dfr dfu dl- dla dlb dld dle dlf dll dlr dlu dra drb drd dre drl drr dru dua dub dud due duf dul dur eaa eab ead eae eaf eal ear eau eba ebb ebd ebe ebf ebl ebr ebu ed- eda edb edd ede edf edl edr edu eea eeb eed eee eef eel eer ef- efa efb efd efe eff efl efr ela elb eld ele elf ell elr elu era erb erd ere erf erl err eru eu- eua eub eud eue euf eul eur faa fab fad fae faf fal far fau fba fbb fbd fbe fbf fbl fbr fbu fda fdb fdd fde fdf fdl fdr fdu fea feb fed fee fef fel fer feu ffa ffd ffe fff ffl ffr ffu fla flb fld fle flf fll flr flu fra frb frd fre frf frl frr fru fua fub fud fue fuf ful fur fuu la- laa lab lad lae laf lal lar lau lba lbb lbd lbe lbf lbl lbr lbu lda ldb ldd lde ldf ldl ldr ldu lea leb led lee lef lel ler leu lfa lfb lfd lfe lff lfl lfr lfu lla llb lld lle llf lll llr llu lra lrb lrd lrf lrr lru lua lub lud lue luf lul lur luu ra- raa rab rad rae raf ral rar rau rba rbb rbd rbe rbf rbl rbr rbu rda rdb rdd rde rdf rdl rdr rdu re- rea reb red ree ref rel rer reu rfa rfb rfd rfe rff rfl rfr rfu rla rld rle rlf rll rlr rlu rra rrb rrd rrf rrl rrr rru rua rub rud rue ruf rur ruu ua- uaa uab uad uae uaf ual uar uau uba ubb ube ubf ubl ubr ubu uda udb udd ude udf udl udr udu uea ueb ued uee uef uel uer ufa ufd ufe uff ufl ufr ufu ula ulb uld ule ulf ull ulr ulu ur- ura urb urd ure urf url urr uru uua uue uur uuu

a-be a-fu aaaa aaab aaad aaae aaaf aaal aaar aaba aabb aabd aabl aada aade aadu aaea aafa aafb aafd aaff aafl aala aald aale aall aalu aara aard aare aaru abaa abab abad abae abaf abal abar abau abb- abba abbb abbe abbr abda abdu abed abee abel aber abff abla able abra abua abud abue abuf abul adaa adab adad adae adal adar adba adda addd adde addl addr addu adea adeb adee adel ader adfa adfl adle adra adre adua adub adue adur aeaf aede aeer aela aer- aera aerd afaa afad afar afdb afdl afee afel afer affa afla afle afr- afra afre afru afua afud afue alaa alad alae alal alar alau alb- alba albe albu ald- alda alde aldl alea aled alee alef aler aleu alfa alfe all- alla alle alll allr allu alua aluf alur arab arad arae araf aral arar arau arba arbe arda arde ardf ardl ardu area ared aree aref arel areu arfa arfb arff arfu arla arle arr- arra arre arrr arru arua arub arud arue arul auaa aube aude auel auer aufe aul- aula auld aule aulf aull aulu aur- aura aurd aure baaa baad baaf baal baar baba babb babe babr babu bada badb badd bade badr badu baed bael baer baff bala bald bale balf ball balu bar- bara barb bard bare barf barr baru bau- baud bauf baul baur bbad bbau bbbb bbdd bbeb bblb bd-r bdle bduf bead beaf beal bear beau beba bebb bebe beda bede bedl bedu beeb beed beef beel beer befa befe beff bela beld bele bell belu bera berd bere berr beru beur bffl blaa blab blad blae blau bldr blea bleb bled blee bleu blub blud blue bluf blur brab brad brae braf brau brda brea breb bred bree bref brel brer brfu brrr brud brue buad bual buar buba bubb bube bubu buda budb budd bude budl budu buea buel buer bueu bufe buff bufr 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 dafa dafe daff dala dale dalf dall dalu dara darb dard dare darf darl darr daru daub daud daue daur dbar dddd ddre ddub dead deae deaf deal dear deau deba debe debu deda dedd dede dedu deeb deed deef deel deer defe deff dela deld dele delf dell der- dera derb dere derf derr deua deue deul deur dfaf dfer dffa dfrf dlab dlbd draa drab drad draf drar drau drba drda drea dred dree dref drel drra drua drub drue druu duaa duab duad dual duar dub- duba dubb dube dubu duda dudd dude dudu duel duer duff dufu dula dule dull dulu dura dure duru duul duur e-la eaaf eaba eada eadb eadd eafb eala eald eale eara earb eard eare earl ebal ebba ebbr