a-do aaaa aaab aaad aaaf aaal aaba aabb aabd aabl aada aafa aafb aafd aaff aafl aala aald aall aalo aaoo abaa abab abad abaf abal abb- abba abbb abbo abda abdo abff abla ablo aboa abob abod abof abol aboo abza adaa adab adad adal adao adba adda addd addl addo adfa adfl adob adod adoo afaa afad afao afdb afdl affa affo afla afoa afol afoo alaa alad alal alao alaz alb- alba albo ald- alda aldl aldo alfa all- alla alll allo aloa alod alof alol aloo alza aoba aola aza- azab azad azal azaz azo- azof azoo azza azzo baaa baad baaf baal baaz baba babb babo bada badb badd bado baff bafo bala bald balf ball balo baol baza bazo bbad bbbb bbdd bbdo bblb bffl blaa blab blad blaz blob blod bloo boab boad boal boaz boba bobb bobo boda bodb bodo bofa bofd boff bola bold boll bolo boob bood boof bool booz boza bozo bzzz d-bo daab daad daal daba dabb dabo dada dado dafa daff dafo dala dalf dall dalo dazl dazz dbfo dddd dfaf dffa dlab dlbd doab doal doba dobb dobl dod- doda dodd dodo doff dola dold dolf doll dolo dolz doob dood doof dool doza dozo dzbb dzbf dzlb faaa faad faba fabd fabo fada fadd fado fafa faff fafo fala fald fall falo falz faza fazl fbla fdoa ffff flab flad flao flaz flob flod floo floz foad foaf foal foba foda fofo fola fold foll folo food foof fool foza fzdz laaa laad laal laba labo lada ladd lado lafb laff lala lald lall lalo laza lazo lboz llao lldb llll lloa llod lloo load loaf lob- loba lobb lobo loda lodz lofa loff lola lold loll lolo lolz loob lood loof lool looz loza oafo oall obad obal obba obbo obla obol odal odbo odda oddd odla odoo off- offa offo ofla ofoz olaf olba olbo oldb olfa olla ollo olof olza ooaa ooba ooda ooff oola oold oolo oooo ozal ozd zaal zaba zabo zada zal zala zaza zobo zoda zodd zoff zola zoll zolo zoo- zool zoza zozo zzzz