a-be a-fu aaaa aaab aaad aaae aaaf aaal aaba aabb aabd aabl aada aade aadu aaea aafa aafb aafd aaff aafl aala aald aale aall aalu abaa abab abad abae abaf abal abau abb- abba abbb abbe abda abdu abed abee abel abff abla able abua abud abue abuf abul adaa adab adad adae adal adba adda addd adde addl addu adea adeb adee adel adfa adfl adle adua adub adue aeaf aede aela afaa afad afdb afdl afee afel affa afla afle afua afud afue alaa alad alae alal alau alb- alba albe albu ald- alda alde aldl alea aled alee alef aleu alfa alfe all- alla alle alll allu alua aluf auaa aube aude auel aufe aul- aula auld aule aulf aull aulu baaa baad baaf baal baba babb babe babu bada badb badd bade badu baed bael baff bala bald bale balf ball balu bau- baud bauf baul bbad bbau bbbb bbdd bbeb bblb bdle bduf bead beaf beal beau beba bebb bebe beda bede bedl bedu beeb beed beef beel befa befe beff bela beld bele bell belu bffl blaa blab blad blae blau blea bleb bled blee bleu blub blud blue bluf buad bual buba bubb bube bubu buda budb budd bude budl budu buea buel bueu bufe buff bula bulb buld bule bull bulu daab daad daae daal daau daba dabb dabu dada dade dadu daeb daeu dafa dafe daff dala dale dalf dall dalu daub daud daue dddd ddub dead deae deaf deal deau deba debe debu deda dedd dede dedu deeb deed deef deel defe deff dela deld dele delf dell deua deue deul dfaf dffa dlab dlbd duaa duab duad dual dub- duba dubb dube dubu duda dudd dude dudu duel duff dufu dula dule dull dulu duul e-la eaaf eaba eada eadb eadd eafb eala eald eale ebal ebba ebed ebel ebla ebul edad edda edde ede- edea edel edfa edfl edfu edla edle eede eedu eeea eeee eefa eefe eefl eele efab efda effa efla efua el-b elab elad elal elba elbe elbu elda elde elea eled elee elef elfa elfe ella elle ellu elue elul euba eude eula eule faaa faad faba fabd fabe fabu fada fadd fade faeb fafa fafe faff fala fald fale fall falu faud faue faul fbla fble fead feaf feal feba feda fede feeb feed feel fefe feff fela feld fele felf fell feud ffee ffff flab flad flae flea fled flee flub flud flue fluf fuad fubb fubu fuda fudd fude fuel fuff fufu fula fule full fulu laaa laad laal laba labe labu lada ladd lade ladu lael lafb lafe laff lala lald lale lall lalu laub laud laue lauf laul le-u leaa lead leaf leal leau leba lebd lebu leda lede leea leed leef leel lefa lefe leff lela lele lell lelu leud lldb llef lleu llll llud luau luba lube luda ludd lude lued luef lufe luff lufu lula lule lull lulu luua uafa uald uaua ubal ubba ubbe ubla uble ubud udaa udad udal udau udea udel ueba ueda uefa uele uell ufel uffa uffe ulaa ulad ulae ulde ulea uleb ulee ulfe ulla ulle ulua ulul uulu uuuu