-al -er -ol a-a a-b aaa aab aae aaf aal aao aar aax ab- aba abb abe abf abl abo abr abx aea aeb aee aef ael aeo aer aex af- afa afb afe aff afl afo afr afx al- ala alb ale alf all alo alr alx aoa aob aoe aof aol aoo aor aox ar- ara arb are arf arl aro arr arx ax- axa axe axl axo axr axx baa bab bae baf bal bao bar bax bba bbb bbe bbf bbl bbo bbr bbx be- bea beb bee bef bel beo ber bex bfa bfb bfe bff bfl bfo bfr bfx bla blb ble blf bll blo blr blx boa bob boe bof bol boo bor box bra brb bre brf brl bro brr brx bxb bxl bxo bxx eaa eab eae eaf eal eao ear eax eba ebb ebe ebf ebl ebo ebr ebx eea eeb eee eef eel eeo eer eex ef- efa efb efe eff efl efo efr efx ela elb ele elf ell elo elr elx eo- eoa eob eoe eof eol eoo eor era erb ere erf erl ero err ex- exa exe exl exo exr exx faa fab fae faf fal fao far fax fba fbb fbe fbf fbl fbo fbr fbx fea feb fee fef fel feo fer fex ffa ffe fff ffl ffo ffr ffx fla flb fle flf fll flo flr flx foa fob foe fof fol foo for fox fra frb fre frf frl fro frr fxe fxr fxx la- laa lab lae laf lal lao lar lax lba lbb lbe lbf lbl lbo lbr lbx lea leb lee lef lel leo ler lex lfa lfb lfe lff lfl lfo lfr lfx lla llb lle llf lll llo llr loa lob loe lof lol loo lor lox lra lrb lrf lro lrr lxo lxr lxx oaa oab oae oaf oal oao oar oax ob- oba obb obe obf obl obo obr obx oea oeb oee oef oel oeo oer oex of- ofa ofb ofe off ofl ofo ofr ofx ola olb ole olf oll olo oo- ooa oob oof ool ooo oor oox or- ora orb ore orf orl oro orr orx ox- oxa oxb oxf oxo oxx ra- raa rab rae raf ral rao rar rax rba rbb rbe rbf rbl rbo rbr rbx re- rea reb ree ref rel reo rer rex rfa rfb rfe rff rfl rfo rfr rla rle rlf rll rlo rlr roa rob roe rof rol roo ror rox rra rrb rrf rrl rrr rxr xaa xaf xal xar xbe xbl xbr xbx xee xel xer xex xfa xfe xfl xfx xla xlb xlf xlr xoa xof xoo xor xox xrf xrx xxl xxo xxx

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 abax abb- abba abbb abbe abbo abbr abee abel aber abff abla able ablo aboa abob abof abol aboo abor abox abra abro aeaf aeer aela aer- aera aero afaa afao afar afee afel afer affa affo afla afle afoa afoe afol afoo afor afox afr- afra afre afro afxe alaa alae alal alao alar alb- alba albe albo alea alee alef aleo aler alex alfa alfe all- alla alle alll allo allr aloa aloe alof alol aloo alor alro alxa aoba aola aole aora aorb arab arae araf aral arar arax arba arbe area aree aref arel areo arex arfa arfb arff arla arle arlo aroa arob aroe aroo aror arr- arra arre arro arrr axaf axal axar axel axer axfr axle axo- axoa axof axxo ba-x 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 barx bbbb bbeb bblb bbox 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 boox bor- bora bore borf boro borr boxa brab brae braf brao brax brea breb bree bref brel breo brer brex broa brob broe brol broo bror brox brrr e-la eaaf eaba eafb eala eale eara earb eare earl earo eaxl ebal ebba ebbo ebbr ebel eber ebla eboe ebol eboo ebor ebox ebro eeea eeee eefa eefe eefl eele eera eero efab efax efbr efeo effa efla efor el-b elab elal elar elba elbe elbo elea elee elef eleo eler elex elfa elfe ella elle ello elra elro eola eole eolo eora eore eorl er-x eraf eral erba erbb erbe ereb erel erer erfx erla erle erll erob eroe erol eroo erra erre erro exa- exel exer exfo exo- exor exrx faaa faba fabe fabo faeb faex fafa fafe faff fafo fala fale fall falo falx fara farb fare farl faro farr faxe 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 flax flea flee fler flex flob floe floo flor flox foaf foal foar foba foer fofo fola fole foll folo folr folx foof fool for- fora forb fore forl foro forr foxe foxx frab frae frax frea free freo frex frla frob froe frol laaa laal laar laax laba labe labo labr lael laer lafb lafe laff lala lale lall lalo lara larb lare larf larr laxa laxe laxo lbar lblr leaa leaf leal leao lear leba lebo leea leef leel leer lefa lefe leff lela lele lell lelo leof leor leox lera lere lero lexa lexx llao llef llll lloa lloo loaf loar lob- loba lobb lobe lobo loeb lofa lofe loff lola lole loll lolo loob looe