-al -er -ol a-a a-b aaa aab aae aaf aal aao aar ab- aba abb abe abf abl abo abr aea aeb aee aef ael aeo aer af- afa afb afe aff afl afo afr al- ala alb ale alf all alo alr aoa aob aoe aof aol aoo aor ar- ara arb are arf arl aro arr baa bab bae baf bal bao bar bba bbb bbe bbf bbl bbo bbr be- bea beb bee bef bel beo ber bfa bfb bfe bff bfl bfo bfr bla blb ble blf bll blo blr boa bob boe bof bol boo bor bra brb bre brf brl bro brr eaa eab eae eaf eal eao ear eba ebb ebe ebf ebl ebo ebr eea eeb eee eef eel eeo eer ef- efa efb efe eff efl efo efr ela elb ele elf ell elo elr eo- eoa eob eoe eof eol eoo eor era erb ere erf erl ero err faa fab fae faf fal fao far fba fbb fbe fbf fbl fbo fbr fea feb fee fef fel feo fer ffa ffe fff ffl ffo ffr fla flb fle flf fll flo flr foa fob foe fof fol foo for fra frb fre frf frl fro frr la- laa lab lae laf lal lao lar lba lbb lbe lbf lbl lbo lbr lea leb lee lef lel leo ler lfa lfb lfe lff lfl lfo lfr lla llb lle llf lll llo llr loa lob loe lof lol loo lor lra lrb lrf lro lrr oaa oab oae oaf oal oao oar ob- oba obb obe obf obl obo obr oea oeb oee oef oel oeo oer of- ofa ofb ofe off ofl ofo ofr ola olb ole olf oll olo oo- ooa oob oof ool ooo oor or- ora orb ore orf orl oro orr ra- raa rab rae raf ral rao rar rba rbb rbe rbf rbl rbo rbr re- rea reb ree ref rel reo rer rfa rfb rfe rff rfl rfo rfr rla rle rlf rll rlo rlr roa rob roe rof rol roo ror rra rrb rrf rrl rrr

a-be aaaa aaab aaae aaaf aaal aaar aaba aabb aabl aaea aafa aafb aaff aafl aala aale aall aalo aaoe aaoo aara aare aaro abaa abab abae abaf abal abar abb- abba abbb abbe abbo abbr abee abel aber abff abla able ablo aboa abob abof abol aboo abor abra abro aeaf aeer aela aer- aera aero afaa afao afar afee afel afer affa affo afla afle afoa afoe afol afoo afor afr- afra afre afro alaa alae alal alao alar alb- alba albe albo alea alee alef aleo aler alfa alfe all- alla alle alll allo allr aloa aloe alof alol aloo alor alro aoba aola aole aora aorb arab arae araf aral arar arba arbe area aree aref arel areo arfa arfb arff arla arle arlo aroa arob aroe aroo aror arr- arra arre arro arrr baaa baaf baal baar baba babb babe babo babr bael baer baff bafo bala bale balf ball balo baol bar- bara barb bare barf baro barr bbbb bbeb bblb beaf beal bear beba bebb bebe bebo beeb beef beel beer befa befe beff befo bela bele bell belo beo- beof beor bera bere bero berr bffl blaa blab blae blea bleb blee bleo blob bloo boab boal boar boba bobb bobe bobo boea boee boef boel boeo boer bofa bofe boff bola bole boll bolo boob booe boof bool boor bor- bora bore borf boro borr brab brae braf brao brea breb bree bref brel breo brer broa brob broe brol broo bror brrr e-la eaaf eaba eafb eala eale eara earb eare earl earo ebal ebba ebbo ebbr ebel eber ebla eboe ebol eboo ebor ebro eeea eeee eefa eefe eefl eele eera eero efab efbr efeo effa efla efor el-b elab elal elar elba elbe elbo elea elee elef eleo eler elfa elfe ella elle ello elra elro eola eole eolo eora eore eorl eraf eral erba erbb erbe ereb erel erer erla erle erll erob eroe erol eroo erra erre erro faaa faba fabe fabo faeb fafa fafe faff fafo fala fale fall falo fara farb fare farl faro farr fbar fbla fble feaf feal fear feba febo feeb feel feer fefe feff fefo fela fele felf fell felo feof fera ferb fere fero ferr ffar ffee ffff ffrr flab flae flao flea flee fler flob floe floo flor foaf foal foar foba foer fofo fola fole foll folo folr foof fool for- fora forb fore forl foro forr frab frae frea free freo frla frob froe frol laaa laal laar laba labe labo labr lael laer lafb lafe laff lala lale lall lalo lara larb lare larf larr lbar lblr leaa leaf leal leao lear leba lebo leea leef leel leer lefa lefe leff lela lele lell lelo leof leor lera lere lero llao llef llll lloa lloo loaf loar lob- loba lobb lobe lobo loeb lofa lofe loff lola lole loll lolo loob looe loof lool loor lora lore loro lral lrba lrrr o-eo oaer oafo oall oara oare obal obba obbo obea obel ober obla oble oboe obol obor obra obre obro oela oele oera oere ofer off- offa offe offo offr ofla ofor ofra ofre olaf olar olba olbo ole- olea olef oleo oler olfa olfe olla olle ollo olof olor ooaa ooba oobe ooer ooff oola oolo oooo oora oore orab orae oral orao orar orba orbb orbe orbo ore- orea oreb orel oreo orer orfe orff orla orle orlo oro- oroe orof oror orra orro raab raaf raba rabb rabe rabl rabo raef rael raer rafa rafe raff rala ralb rale ralf rall ralo raob raol rara rarb rare rarf raro rbaf rbbb rbbr rble rea- reae reaf real reao rear reba rebb rebe rebo reeb reef reel refe reff refl refr rela relb rele rell relo reof reol rera rere rero rfae rfef rffl rlab rlee rlef roab