-al -ol a-a a-b a-c aaa aab aac aaf aah aak aal aao ab- aba abb abc abf abh abk abl abo ac- aca acb acc acf ach ack acl aco af- afa afb afc aff afh afk afl afo aha ahb ahc ahf ahh ahk ahl aho aka akb akc akh akk akl ako al- ala alb alc alf alh alk all alo aoa aob aoc aof aoh aok aol aoo baa bab bac baf bah bak bal bao bba bbb bbc bbf bbh bbk bbl bbo bca bcb bcc bcf bch bck bcl bco bfa bfb bfc bff bfh bfl bfo bha bhb bhc bhf bhh bhk bhl bho bka bkb bkc bkf bkk bkl bko bla blb blc blf blh blk bll blo boa bob boc bof boh bok bol boo c-- caa cab cac caf cah cak cal cao cba cbb cbc cbf cbh cbk cbl cbo cca ccb ccc ccf cch cck ccl cco cfa cfb cfc cff cfh cfk cfl cfo ch- cha chb chc chf chh chk chl cho cka ckb ckc ckh cko cl- cla clb clc clf clh clk cll clo co- coa cob coc cof coh cok col coo faa fab fac faf fah fak fal fao fba fbb fbc fbf fbh fbk fbl fbo fca fcb fcc fcf fck fcl fco ffa ffc fff ffh ffk ffl ffo fha fhb fhc fhf fhh fhl fho fka fkb fkc fkf fkk fkl fla flb flc flf fll flo foa fob foc fof foh fok fol foo haa hab hac haf hah hak hal hao hba hbb hbc hbf hbh hbk hbl hbo hca hcb hcc hcf hch hck hcl hco hfa hfb hfc hff hfh hfk hfl hfo hha hhb hhc hhf hhh hhk hhl hho hka hkb hkf hkh hkk hkl hko hla hlb hlc hlf hlh hll hlo hoa hob hoc hof hoh hok hol hoo ka- kaa kab kac kaf kah kak kal kao kba kbb kbc kbf kbh kbk kbl kbo kca kcb kcc kch kck kcl kfa kfc kff kfh kfo kha khf khh khk kho kkb kkc kkh kkk kkl kl- kla klb klc klf klh klo koa kob koc kof koh kok kol koo la- laa lab lac laf lah lak lal lao lba lbb lbc lbf lbh lbk lbl lbo lca lcb lcc lcf lch lck lcl lco lfa lfb lfc lff lfh lfk lfl lfo lha lhb lhc lhf lhh lhk lho lka lkb lkh lkl lla llb llc llf llk lll llo loa lob loc lof loh lok lol loo oaa oab oac oaf oah oak oal oao ob- oba obb obc obf obh obk obl obo oc- oca ocb occ ocf och ock ocl oco of- ofa ofb ofc off ofl ofo oha ohc ohf ohh ohl oho oka okb okc okk okl oko ola olb olc olf olk oll olo oo- ooa oob ooc oof ooh ook ool ooo

a-ak a-ha a-ok aaaa aaab aaac aaaf aaah aaal aaba aabb aabc aabh aabl aaca aacb aacc aacf aach aack aacl aaco aafa aafb aafc aaff aafl aaha aahk aahl aaka aala aalc aall aalo aaoo abaa abab abac abaf abak abal abb- abba abbb abbo abca abcb abcc abcf abch abcl abff abha abho abla ablo aboa abob abof aboh abok abol aboo acaa acab acac acba acbl acca accc accf acch acco acfc acfl acha achh achl acho acla aclc acoa acoh acol afaa afak afao afca afcb afcc afch affa affc affo afka afla aflc afoa afol afoo ahab ahac ahah ahal ahfa ahha ahla ahoa ahok akaa akah akal akao akca akha akka akko aklo akok alaa alac alak alal alao alb- alba albc albo alca alcc alco alfa alha alk- alka alkb alko all- alla allh alll allo aloa aloc alof aloh alok alol aloo aoah aoba aoca aola baaa baaf baah baak baal baba babb babo bac- baca bacc bach back baco bafc baff bafo baha bahl baho bak- baka bakh bakl bako bala balc balf balk ball balo baoh baol bbbb bbch bbfc bblb bcaa bcbc bcca bccc bccl bcfc bcof bfca bffl bhao bhca bhcc bhff blaa blab blac blah blak blfc blkb blob bloc blok bloo boab boac boak boal boba bobb bobo boca boch bock boco bofa boff bofh boha bohl boho boka boko bola bolk boll bolo boob booc boof booh book bool c-bo caaa caab caac caaf caah caal caba cabf cabo cac- caca cacc cach cack caco cafa cafb cafc caff cafl caha cahl caka cala calc calf calk call calo caol cbac cbal cbbc cbca cbcc cbcl cbfb cbfc cbha cbhl cbka cbkl cbko cblb cblc cbol ccaa ccab ccac ccaf ccba ccbc ccca cccb cccc cccf cccl ccfa ccfc ccff ccfl ccha cchl ccla cclc ccob ccoc cfaa cfab cfac cfao cfbc cfca cfcb cfcf cfcl cfco cffb cfhk cfoa chaa chab chac chaf chah chak chal chao chca chch chfa chfc chha chka chkb chlc choc choh chok chol choo ckac ckbc ckch ckck ckcl ckco cklf ckoa ckob ckoc ckoo clab claf clob clof clok cloo coak coal coba cobb cobh cobo coca coch cock coco cofc coff coha coho cok- coka coko col- cola colb colk coll colo coob coof cooh cook cool f--k faaa faac faah faba fabo faca facc fach fack fafa fafc faff fafo faha fakh fako fala falc falk fall falo fbla fcab fcal fcba fcca fccf fcch ffcc ffff fhlb fkab flab flac flak flao flcl flob floc flok floo foaf foak foal foba foca foch fock foco fofo fola folc folk foll folo foof fook fool haab haaf haak haal haba habo hack haco hafb haff haha haho haka hakk hako hal- hala halb half halk hall halo hbfc hboc hcbc hcca hccb hccc hcch hcfa hcfc hfba hhaa hhcl hhhh hhla hhof hkcc hkcl hkfa hlah hoac hoba hobo hoca hoch hock hoff hoha hohl hoho hoka hoko hol- hola holb holc holh holk