-al -ol a-a a-b a-c aaa aab aac aae aah aak aal aao ab- aba abb abc abe abh abk abl abo ac- aca acb acc ace ach ack acl aco aea aeb aec aee aeh aek ael aeo aha ahb ahc ahe ahh ahk ahl aho aka akb akc ake akh akk akl ako al- ala alb alc ale alh alk all alo aoa aob aoc aoe aoh aok aol aoo baa bab bac bae bah bak bal bao bba bbb bbc bbe bbh bbk bbl bbo bca bcb bcc bce bch bck bcl bco be- bea beb bec bee beh bek bel beo bha bhb bhc bhe bhh bhk bhl bho bka bkb bkc bke bkk bkl bko bla blb blc ble blh blk bll blo boa bob boc boe boh bok bol boo c-- caa cab cac cae cah cak cal cao cba cbb cbc cbe cbh cbk cbl cbo cca ccb ccc cce cch cck ccl cco ce- cea ceb cec cee ceh cek cel ceo ch- cha chb chc che chh chk chl cho cka ckb ckc ckh cko cl- cla clb clc cle clh clk cll clo co- coa cob coc coe coh cok col coo eaa eab eac eae eah eak eal eao eba ebb ebc ebe ebh ebk ebl ebo ec- eca ecb ecc ece ech eck ecl eco eea eeb eec eee eek eel eeo eha ehb ehc ehe ehh ehl eho eka ekb ekc eke ekh ekl eko ela elb elc ele elh elk ell elo eo- eoa eob eoc eoe eoh eok eol eoo haa hab hac hae hah hak hal hao hba hbb hbc hbe hbh hbk hbl hbo hca hcb hcc hce hch hck hcl hco he- hea heb hec hee heh hek hel heo hha hhb hhc hhe hhh hhk hhl hho hka hkb hkh hkk hkl hko hla hlb hlc hle hlh hll hlo hoa hob hoc hoe hoh hok hol hoo ka- kaa kab kac kae kah kak kal kao kba kbb kbc kbe kbh kbk kbl kbo kca kcb kcc kce kch kck kcl ke- kea keb kec kee keh kek kel keo kha khe khh khk kho kkb kkc kke kkh kkk kkl kl- kla klb klc klh klo koa kob koc koe koh kok kol koo la- laa lab lac lae lah lak lal lao lba lbb lbc lbe lbh lbk lbl lbo lca lcb lcc lce lch lck lcl lco lea leb lec lee leh lek lel leo lha lhb lhc lhh lhk lho lka lkb lkh lkl lla llb llc lle llk lll llo loa lob loc loe loh lok lol loo oaa oab oac oae oah oak oal oao ob- oba obb obc obe obh obk obl obo oc- oca ocb occ och ock ocl oco oea oeb oec oee oeh oel oeo oha ohc ohe ohh ohl oho oka okb okc oke okk okl oko ola olb olc ole olk oll olo oo- ooa oob ooc ooh ook ool ooo

a-ak a-be a-ha a-ok aaaa aaab aaac aaae aaah aaal aaba aabb aabc aabh aabl aaca aacb aacc aace aach aack aacl aaco aaea aaec aaha aahk aahl aaka aake aala aalc aale aall aalo aaoe aaoo abaa abab abac abae abak abal abb- abba abbb abbe abbo abca abcb abcc abch abcl abec abee abel abha abho abla able ablo aboa abob aboh abok abol aboo acaa acab acac acae acba acbl acca accc acce acch acco ace- acea acec aceh acek acel acha ache achh achl acho acke acla aclc acle acoa acoe acoh acol aeac aecb aecl aeka aela aelc ahab ahac ahah ahal ahel ahha ahla ahle ahoa ahoe ahok akaa akae akah akal akao akca akee akel akha akka akko akle aklo akok alaa alac alae alak alal alao alb- alba albc albe albo alca alcc alce alco alea alec alee aleh alek aleo alha alk- alka alkb alke alko all- alla alle allh alll allo aloa aloc aloe aloh alok alol aloo aoah aoba aoca aoce aola aole baaa baah baak baal baba babb babe babo bac- baca bacc bace bach back baco baek bael baha bahl baho bak- baka bake bakh bakl bako bala balc bale balk ball balo baoh baol bbbb bbch bbeb bblb bcaa bcbc bcca bccc bccl bcec bche beah beak beal beba bebb bebe bebo beca bech beck beeb beek beel beka beke beko bela bele belk bell belo beo- beok bhao bhca bhcc bhel blaa blab blac blae blah blak blea bleb blee bleh blek bleo blkb blob bloc blok bloo boab boac boak boal boba bobb bobe bobo boca boce boch bock boco boea boec boee boel boeo boha bohl boho boka boke boko bola bole bolk boll bolo boob booc booe booh book bool c-bo caaa caab caac caah caal caba cabe cabo cac- caca cacc cace cach cack caco caec caha cahe cahl caka cake cala calc cale calk call calo caol cbac cbal cbbc cbca cbcc cbce cbcl cbea cbec cbee cbha cbhl cbka cbkl cbko cblb cblc cbol ccaa ccab ccac ccba ccbc ccca cccb cccc cccl ccee ccel ccha cche cchl ccla cclc ccob ccoc ceac ceal ceba cec- ceca cece ceco ceeb ceec ceel cehl ceke cel- cela celc cele cell celo ceol chaa chab chac chae chah chak chal chao chca chce chch chea cheb chec chee cheh chek chel chha chka chkb chlc choc choh chok chol choo ckac ckbc ckbe ckch ckck ckcl ckco ckoa ckob ckoc ckoo clab clea clec clee clek cleo clob cloe clok cloo coak coal coba cobb cobe cobh cobo coca coce coch cock coco coel coha coho cok- coka coke coko col- cola colb cole colk coll colo coob cooh cook cool e-cl e-la eaba eabh eaca eacc each eaec eala ealc eale ebac ebal ebba ebbc ebbo ebcc ebel ebla eboe ebol eboo ecaa ecac ecal ecao ecbc ecbe ecca eccb eccc ecce eccl ecco echa eche echl