-al -er -ol a-a a-b aaa aab aae aak aal aao aar aav ab- aba abb abe abk abl abo abr abv aea aeb aee aek ael aeo aer aev aka akb ake akk akl ako akr akv al- ala alb ale alk all alo alr alv aoa aob aoe aok aol aoo aor aov ar- ara arb are ark arl aro arr arv av- ava avb ave avk avl avo avr baa bab bae bak bal bao bar bav bba bbb bbe bbk bbl bbo bbr be- bea beb bee bek bel beo ber bev bka bkb bke bkk bkl bko bkr bkv bla blb ble blk bll blo blr blv boa bob boe bok bol boo bor bov bra brb bre brk brl bro brr brv bva bvb bve bvk bvl bvo bvr bvv eaa eab eae eak eal eao ear eav eba ebb ebe ebk ebl ebo ebr ebv eea eeb eee eek eel eeo eer eev eka ekb eke ekl eko ekr ekv ela elb ele elk ell elo elr elv eo- eoa eob eoe eok eol eoo eor era erb ere erk erl ero err erv eva evb eve evl evo evr evv ka- kaa kab kae kak kal kao kar kav kba kbb kbe kbk kbl kbo kbr ke- kea keb kee kek kel keo ker kev kkb kke kkk kkl kkr kkv kl- kla klb klo klr klv koa kob koe kok kol koo kor kra krk krl kro krr krv kva kvb kvk kvo kvr kvv la- laa lab lae lak lal lao lar lav lba lbb lbe lbk lbl lbo lbr lbv lea leb lee lek lel leo ler lev lka lkb lkl lkr lla llb lle llk lll llo llr llv loa lob loe lok lol loo lor lov lra lrb lrk lro lrr lrv lva lvb lve lvl lvr lvv oaa oab oae oak oal oao oar oav ob- oba obb obe obk obl obo obr obv oea oeb oee oel oeo oer oka okb oke okk okl oko okr ola olb ole olk oll olo oo- ooa oob ook ool ooo oor oov or- ora orb ore ork orl oro orr orv ov- ova ovb ove ovl ovo ovv ra- raa rab rae rak ral rao rar rav rba rbb rbe rbk rbl rbo rbr re- rea reb ree rek rel reo rer rev rkb rke rkk rko rkv rla rle rll rlo rlr roa rob roe rok rol roo ror rov rra rrb rrk rrl rrr rva rvb rve rvl rvo rvr rvv v-a v-e vaa vab vae vak val vao var vav vba vbk vbl vbo vbr vbv vea veb vee vek vel veo ver vka vkb vl- vla vlb vle vlk vll vlo vlv voa vob voe vok vol voo vor vov vra vrb vre vrk vrr vva vvb vvo vvr vvv

a-ak a-be a-ok aaaa aaab aaae aaal aaar aaav aaba aabb aabl aaea aaev aaka aake aala aale aall aalo aaoe aaoo aara aare aaro aava abaa abab abae abak abal abar abb- abba abbb abbe abbo abbr abee abel aber abla able ablo ablv aboa abob abok abol aboo abor abov abra abro abva aeer aeka aela aer- aera aero aeva akaa akae akal akao akar akee akel aker akka akko akle aklo akok akr- akra akre alaa alae alak alal alao alar alb- alba albe albo alea alee alek aleo aler alev alk- alka alkb alke alko all- alla alle alll allo allr aloa aloe alok alol aloo alor alov alro alva alvo aoba aola aole aora aorb arab arae arak aral arar arba arbe area aree arek arel areo arev arka arke arko arla arle arlo aroa arob aroe aroo aror arr- arra arre arrk arro arrr arva arve arvo avab aval avao avar avea avel aveo aver avlb avor avra avre avro avva avvo baaa baak baal baar baba babb babe babo babr baek bael baer bak- baka bake bakl bako bakr bala bale balk ball balo baol bar- bara barb bare bark baro barr bava bave bbbb bbeb bblb beak beal bear beav beba bebb bebe bebo beeb beek beel beer beka beke beko bela bele belk bell belo beo- beok beor bera bere berk bero berr bevo blaa blab blae blak blea bleb blee blek bleo blkb blob blok bloo boab boak boal boar boba bobb bobe bobo boea boee boel boeo boer boka boke boko bola bole bolk boll bolo boob booe book bool boor bor- bora bore bork boro borr bova bove bovo brab brae brak brao brav brea breb bree brek brel breo brer brev brka brkb broa brob broe brok brol broo bror brrr e-la eaba eala eale eara earb eare earl earo eave ebal ebba ebbo ebbr ebel eber ebla eboe ebol eboo ebor ebro eeea eeee eeka eeke eele eelv eera eero eeva eka- ekab ekeb ekek eker ekka ekoa el-b elab elal elar elba elbe elbo elea elee elek eleo eler elev elka elke elko ella elle ello elok elra elro elva elve elvo eoka eola eole eolo eora eore eorl eral erba erbb erbe ereb erel erer erev erke erla erle erll erob eroe erol eroo erra erre erro erve evae eval evar evea evel ever evla evoe evol evoo evra evre evvk k-lo kaaa kaab kaak kaal kaar kaba kabb kabe kabo kabr kael kaeo kaer kaka kake kakk kako kala kalb kale kalk kall kalo kalv kaoa kaok kaol kaor kara karb kare kark karl karo karr karv kava kavb kave kavl kavo kavv kbaa kbab kbae kbak kbal kbar kbba kbbb kbbe kbbk kbbl kbbo kbbr kbeb kbee kbek kbel kbeo kber kbev kbkb kbkk kbkl kbko kbkr kbkv kbla kblb kble kbll kblo kblr kblv kboa kbob kboe kbok kboo kbov kbra kbrb kbre kbrk kbrl kbro kbrv kbva kbvb kbvo kbvr kea- keak keal kear keba kebb kebe kebr keek keel keer keka kekb keke kekl keko kela kele kelk kell kelo keok keol