-al -er -ol a-a a-b aaa aab aae aal aao aap aar aax ab- aba abb abe abl abo abp abr abx aea aeb aee ael aeo aep aer aex al- ala alb ale all alo alp alr alx aoa aob aoe aol aoo aop aor aox ap- apa apb ape apl apo app apr apx ar- ara arb are arl aro arp arr arx ax- axa axe axl axo axp axr axx b-p baa bab bae bal bao bap bar bax bba bbb bbe bbl bbo bbp bbr bbx be- bea beb bee bel beo bep ber bex bla blb ble bll blo blp blr blx boa bob boe bol boo bop bor box bpa bpb bpe bpl bpo bpp bpr bpx bra brb bre brl bro brp brr brx bxb bxl bxo bxx eaa eab eae eal eao eap ear eax eba ebb ebe ebl ebo ebp ebr ebx eea eeb eee eel eeo eep eer eex ela elb ele ell elo elp elr elx eo- eoa eob eoe eol eoo eop eor ep- epa epb epe epl epo epp epr epx era erb ere erl ero erp err ex- exa exe exl exo exp exr exx l-p la- laa lab lae lal lao lap lar lax lba lbb lbe lbl lbo lbp lbr lbx lea leb lee lel leo lep ler lex lla llb lle lll llo llp llr loa lob loe lol loo lop lor lox lpa lpb lpe lpl lpo lpp lpr lpx lra lrb lro lrp lrr lxo lxr lxx oaa oab oae oal oao oap oar oax ob- oba obb obe obl obo obp obr obx oea oeb oee oel oeo oep oer oex ola olb ole oll olo olp oo- ooa oob ool ooo oop oor oox op- opa opb ope opl opo opp opr opx or- ora orb ore orl oro orp orr orx ox- oxa oxb oxo oxx p-p paa pab pae pal pao pap par pax pba pbb pbe pbl pbo pbp pbr pbx pea peb pee pel peo pep per pex pla plb ple pll plo plp plr plx poa pob poe pol poo pop por pox ppa ppb ppe ppl ppo ppp ppr ppx pra prb pre prl pro prp prr prx pxe pxl pxr ra- raa rab rae ral rao rap rar rax rba rbb rbe rbl rbo rbp rbr rbx re- rea reb ree rel reo rep rer rex rla rle rll rlo rlp rlr roa rob roe rol roo rop ror rox rpa rpb rpe rpl rpo rpp rpr rpx rra rrb rrl rrp rrr rxp rxr xaa xal xap xar xbe xbl xbr xbx xee xel xep xer xex xla xlb xlr xoa xoo xop xor xox xpa xpb xpe xpl xpo xpp xrx xxl xxo xxp xxx

a-be aaaa aaab aaae aaal aaap aaar aaba aabb aabl aabp aaea aaep aala aale aall aalo aaoe aaoo aapa aapl aapo aara aare aaro aarp abaa abab abae abal abap abar abax abb- abba abbb abbe abbo abbr abee abel aber abla able ablo aboa abob abol aboo abor abox abpa abpp abpr abra abro aeap aeer aela aelp aer- aera aero al-p alaa alae alal alao alap alar alb- alba albe albo alea alee aleo alep aler alex all- alla alle alll allo allr aloa aloe alol aloo alop alor alpa alpe alpl alpo alro alxa aoba aola aole aopo aora aorb apal apao apap apar apax apba apbr apea apel apep aper apex apl- apla aple aplp aplx apo- apoe apoo apop apor apox appa appl appr appx apra apre apro arab arae aral arap arar arax arba arbe area aree arel areo arep arex arla arle arlo aroa arob aroe aroo aror arpa arpe arpl arr- arra arre arro arrr axal axar axel axer axle axo- axoa axxo ba-x baaa baal baar baba babb babe babo babr bael baer bala bale ball balo baol bapa bape bapp bar- bara barb bare baro barr barx bbbb bbeb bblb bbox bbpr beal beap bear beba bebb bebe bebo beeb beel beep beer bela bele bell belo belp beo- beor bepo bera bere bero berr blaa blab blae blea bleb blee bleo blob bloo blop boab boal boar boba bobb bobe bobo boea boee boel boeo boep boer bola bole boll bolo boob booe bool boop boor boox bopa bope bopp bor- bora bore boro borr boxa bpea bpel bpoe brab brae brao brax brea breb bree brel breo brep brer brex brlp broa brob broe brol broo bror brox brrr e-la eaba eala eale eaop eapp eara earb eare earl earo earp eaxl ebal ebba ebbo ebbr ebel eber ebla eboe ebol eboo ebor ebox ebpo ebro eeea eeee eele eera eero el-b el-p elab elal elar elba elbe elbo elea elee eleo eler elex ella elle ello elpe elra elro eola eole eolo eora eore eorl epaa epee eper eple epll epol epor epox eppa eppo eppp epra eprb epro eprp epxp er-x eral erap erba erbb erbe ereb erel erer erla erle erll erob eroe erol eroo erpa erpe erra erre erro exa- exel exer exo- exor expo expr exrx laaa laal laap laar laax laba labe labo labr lael laer lala lale lall lalo lapa lapb lape lapp lara larb lare larp larr laxa laxe laxo lbar lblr leaa leal leao leap lear leba lebo leea leel leep leer lela lele lell lelo leor leox lepa lepe lepo lepp lera lere lero lerp lexa lexx llao llll lloa lloo loap loar lob- loba lobb lobe lobo loeb lola lole loll lolo loob looe lool loop loor lopa lope lopp lora lore loro lox- loxa loxo lpla lppl lprp lral lrba lrrr lxra lxxx o-eo oaer oall oara oare obal obba obbo obea obel ober obex obla oble oboe obol obor obox obra obre obro oeax oela oele oepa oera oere olar olax olba olbo ole- olea oleo oler olla olle ollo olor olpe ooaa ooba oobe ooer oola oolo oooo