a-be aaaa aaab aaad aaae aaaf aaal aaba aabb aabd aabl aada aade aaea aafa aafb aafd aaff aafl aage aala aald aale aall abaa abab abad abae abaf abag abal abb- abba abbb abbe abda abed abee abel abff abgd abgl abla able adaa adab adad adae adag adal adba adda addd adde addl adea adeb adee adel adfa adfl adle aeaf aede aega aela afaa afad afdb afdl afee afel affa afgf afla afle aflg agad agag agal agba agda agde agea aged agee agel agfa agga agge agla agle alaa alad alae alag alal alb- alba albe ald- alda alde aldl alea aled alee alef aleg alfa alfe alg- alga alge all- alla alle alll baaa baad baaf baal baba babb babe bada badb badd bade baed bael baff baga bage bagg bala bald bale balf ball bbad bbbb bbdd bbeb bbga bblb bdle bead beaf beag beal beba bebb bebe beda bede bedl beeb beed beef beeg beel befa befe beff bega begg bela beld bele belg bell bffl bfgf blaa blab blad blae blag bldg blea bleb bled blee bleg daab daad daae daag daal daba dabb dada dade daeb dafa dafe daff daga dage dagg dala dale dalf dall dbag dddd dead deae deaf deal deba debe deda dedd dede deeb deed deef deeg deel defe deff defg dega dege dela deld dele delf dell dfaf dffa dgeg dgge dlab dlbd dleg e-la eaaf eaba eada eadb eadd eafb eaga eage eagl eala eald eale ebal ebba ebed ebel ebla edad edag edda edde ede- edea edel edfa edfl edge edla edle eede eeea eeee eefa eefe eefl eega eele ef-g efab efda effa efla egaa egad egae egal egba egbe egea egee egel eggb egge egle el-b elab elad elal elba elbe elda elde elea eled elee elef elfa elfe elgg ella elle faaa faad faba fabd fabe fada fadd fade faeb fafa fafe faff fafg fage fagg fala fald fale fall fbla fble fead feaf feal feba feda fede feeb feed feel fefe feff fege fegg fela feld fele felf fell ffee ffff flab flad flae flag flea fled flee fleg gaal gaba gabb gabe gabl gada gadd gade gaea gaed gael gafa gafb gaff gaga gage gagg gala gald gale gall gbag gbde gdal gddb geab gead geal geba gebe geda gedd gede geed geel gefe gege gegg gegl gela gelb geld gele gelf gelg gell gfdl gffa ggfg gggg glaa glab glad glde gleb gled glee gleg glge laaa laad laag laal laba labe lada ladd lade lael lafb lafe laff lag- laga lage lagg lala lald lale lall leaa lead leaf leag leal leba lebd leda lede leea leed leef leel lefa lefe leff lega lege legg lela lele lell lgfl lldb llef llll