-al -ol a-a a-b aaa aab aad aaf aal aao aar ab- aba abb abd abf abl abo abr ad- ada adb add adf adl ado adr af- afa afb afd aff afl afo afr al- ala alb ald alf all alo alr aoa aob aod aof aol aoo aor ar- ara arb ard arf arl aro arr baa bab bad baf bal bao bar bba bbb bbd bbf bbl bbo bbr bda bdb bdd bdf bdl bdo bdr bfa bfb bfd bff bfl bfo bfr bla blb bld blf bll blo blr boa bob bod bof bol boo bor bra brb brd brf brl bro brr daa dab dad daf dal dao dar dba dbb dbd dbf dbl dbo dbr dda ddb ddd ddf ddl ddo ddr dfa dfb dfd dff dfl dfo dfr dl- dla dlb dld dlf dll dlo dlr doa dob dod dof dol doo dor dra drb drd drl dro drr faa fab fad faf fal fao far fba fbb fbd fbf fbl fbo fbr fda fdb fdd fdf fdl fdo fdr ffa ffd fff ffl ffo ffr fla flb fld flf fll flo flr foa fob fof fol foo for fra frb frd frf frl fro frr la- laa lab lad laf lal lao lar lba lbb lbd lbf lbl lbo lbr lda ldb ldd ldf ldl ldo ldr lfa lfb lfd lff lfl lfo lfr lla llb lld llf lll llo llr loa lob lod lof lol loo lor lra lrb lrd lrf lro lrr oaa oab oad oaf oal oao oar ob- oba obb obd obf obl obo obr oda odb odd odf odl odo odr of- ofa ofb ofd off ofl ofo ofr ola olb old olf oll olo oo- ooa oob ood oof ool ooo oor or- ora orb ord orf orl oro orr ra- raa rab rad raf ral rao rar rba rbb rbd rbf rbl rbo rbr rda rdb rdd rdf rdl rdo rdr rfa rfb rfd rff rfl rfo rfr rla rld rlf rll rlo rlr roa rob rod rof rol roo ror rra rrb rrd rrf rrl rrr

a-do aaaa aaab aaad aaaf aaal aaar aaba aabb aabd aabl aada aafa aafb aafd aaff aafl aala aald aall aalo aaoo aara aard aaro abaa abab abad abaf abal abar abb- abba abbb abbo abbr abda abdo abff abla ablo aboa abob abod abof abol aboo abor abra abro adaa adab adad adal adao adar adba adda addd addl addo addr adfa adfl adob adod adoo ador adra adro afaa afad afao afar afdb afdl affa affo afla afoa afol afoo afor afr- afra afro alaa alad alal alao alar alb- alba albo ald- alda aldl aldo alfa all- alla alll allo allr aloa alod alof alol aloo alor alro aoba aola aora aorb arab arad araf aral arar arba arda ardf ardl ardo arfa arfb arff arla arlo aroa arob arod aroo aror arr- arra arro arrr baaa baad baaf baal baar baba babb babo babr bada badb badd bado badr baff bafo bala bald balf ball balo baol bar- bara barb bard barf baro barr bbad bbbb bbdd bbdo bblb bd-r bffl blaa blab blad bldr blob blod bloo boab boad boal boar boba bobb bobo boda bodb bodo bofa bofd boff bola bold boll bolo boob bood boof bool boor bor- bora bord borf boro borr brab brad braf brao brda brdo broa brob brod brol broo bror brrr d-bo daab daad daal daar daba dabb dabo dada dado dafa daff dafo dala dalf dall dalo dara darb dard darf darl daro darr dbar dbfo dddd dfaf dffa dfrf dlab dlbd doab doal doar doba dobb dobl dod- doda dodd dodo doff dola dold dolf doll dolo doob dood doof dool door dora dord dorf doro dorr draa drab drad draf drar drba drda drob drod drof drol drra faaa faad faba fabd fabo fada fadd fado fafa faff fafo fala fald fall falo fara farb fard farl faro farr fbar fbla fdlr fdoa ffar ffff ffrr flab flad flao fldr flob flod floo flor foad foaf foal foar foba foda fofo fola fold foll folo folr food foof fool for- fora forb ford forl foro forr frab frad frla frob frol laaa laad laal laar laba labo labr lada ladd lado lafb laff lala lald lall lalo lara larb lard larf larr lbar lblr lfrd llao lldb llll lloa llod lloo load loaf loar lob- loba lobb lobo loda lofa loff lola lold loll lolo loob lood loof lool loor lora lord loro lral lrba lrdd lrrr oafo oall oara obad obal obba obbo obla obol obor obra obro odal odbo odda oddd odla odoo odor odra odrl ofdr off- offa offo offr ofla ofor ofra olaf olar olba olbo oldb olfa olla ollo olof olor ooaa ooba ooda ooff oola oold oolo oooo oora oord orab orad oral orao orar orba orbb orbo orda ordo orff orla orlo oro- orof oror orra orro raab raad raaf raba rabb rabl rabo rada radd radl rado radr rafa raff rala ralb ralf rall ralo raob raol rara rarb rarf raro rbaf rbbb rbbr rdfa rffl rlab roab road roaf roar rob- roba robb robo roda rodd rodo roff rofl rofo rola rold rolf roll rolo roob rood roof rool roor rora roro rrad rrrr

-aaa- -abad aabaa aabba aabra abaab ababa abada abala aball abalo abara abbad abbar abbod abdal abfab aboab aboad abobl abobo abold abood abora abord abrad abrar abrod abrol adaba adada adado adara adaro addra adoar adobo adodb adola adolf adoll adoor adora adorf adoro adrad adrar adroa afald afall afara affor aflao afofl afool afro- afrob afrol alaba alada alala alaol alara alard albal albar albo- albor aldda aldo- aldol aldor aldra aldro allaf allal allar allbo allo- alloa allod allof alloo allor allra aload aloaf aloba aloda aloof aloor alora alord alorf ar-ab arab- araba arabo arada arado arafo arald arara arbab arbar arbol arbor ardab ardal ardla