a-be aaaa aaab aaad aaae aaal aaap aaba aabb aabd aabl aabp aada aade aaea aaep aala aald aale aall aapa aapl abaa abab abad abae abal abap abb- abba abbb abbe abda abed abee abel abla able abpa abpd abpp adaa adab adad adae adal adap adba adda addd adde addl adea adeb adee adel adle adp- aeap aede aela aelp al-p alaa alad alae alal alap alb- alba albe ald- alda alde aldl alea aled alee alep all- alla alle alll alpa alpe alpl apal apap apba apda apdd apea aped apel apep apl- apla aple aplp appa appd appl baaa baad baal baba babb babe bada badb badd bade baed bael bala bald bale ball bapa bape bapp bbad bbbb bbdd bbeb bblb bdle bead beal beap beba bebb bebe beda bede bedl beeb beed beel beep bela beld bele bell belp blaa blab blad blae blea bleb bled blee bpda bpea bpel daab daad daae daal daap daba dabb dabp dada dade daeb dala dale dall dapa dape dapp dblp dbpd dddd dead deae deal deap deba debe deda dedd dede deeb deed deel deep dela deld dele dell delp depa depe depp dlab dlbd dpaa dpll dppa e-la eaba eada eadb eadd eadp eala eald eale eapp ebal ebba ebed ebel ebla edad edda edde eddp ede- edea edel edla edle eede eeea eeee eele el-b el-p elab elad elal elba elbe elda elde elea eled elee ella elle elpe epaa epad epee eple epll eppa eppp laaa laad laal laap laba labe lada ladd lade ladp lael lala lald lale lall lapa lapb lapd lape lapp lddp leaa lead leal leap leba lebd leda lede leea leed leel leep lela lele lell lepa lepe lepp lldb lldp llll lpda lpla lppl paal paap paba pada padd pade paea paep pala pale pall palp papa papb pape papp pbed pbpa pdea pdpa peab peal peap peba pebl ped- peda pede peed peel peep pel- pela pelb pele pell pepa pepd pepe plaa plab plad plap ple- plea pleb pled plee plpa plpp ppad ppal ppap pple pppa pppd pppp