-al -ol a-a a-b a-c a-t aaa aab aac aae aak aal aao aat aau ab- aba abb abc abe abk abl abo abt abu ac- aca acb acc ace ack acl aco act acu aea aeb aec aee aek ael aeo aet aeu aka akb akc ake akk akl ako aku al- ala alb alc ale alk all alo alt alu aoa aob aoc aoe aok aol aoo aot aou at- ata atb atc ate atl ato att atu au- aua aub auc aue auk aul auo aut b-u baa bab bac bae bak bal bao bat bau bba bbb bbc bbe bbk bbl bbo bbt bbu bca bcb bcc bce bck bcl bco bct bcu be- bea beb bec bee bek bel beo bet beu bka bkb bkc bke bkk bkl bko bkt bla blb blc ble blk bll blo blt blu boa bob boc boe bok bol boo bot bou bta btb btc bte btk btl bto btt btu bua bub buc bue buk bul buo but buu c-- caa cab cac cae cak cal cao cat cau cba cbb cbc cbe cbk cbl cbo cbt cbu cca ccb ccc cce cck ccl cco cct ccu ce- cea ceb cec cee cek cel ceo cet ceu cka ckb ckc cko ckt cl- cla clb clc cle clk cll clo clt clu co- coa cob coc coe cok col coo cot cou cta ctb ctc cte ctk ctl cto ctt ctu cua cub cuc cue cuk cul cuo cut cuu eaa eab eac eae eak eal eao eat eau eba ebb ebc ebe ebk ebl ebo ebt ebu ec- eca ecb ecc ece eck ecl eco ect ecu eea eeb eec eee eek eel eeo eet eka ekb ekc eke ekl eko ekt eku ela elb elc ele elk ell elo elt elu eo- eoa eob eoc eoe eok eol eoo eot eou eta etb etc ete etk etl eto ett etu eu- eua eub euc eue eul eut k-t ka- kaa kab kac kae kak kal kao kat kau kba kbb kbc kbe kbk kbl kbo kbu kca kcb kcc kce kck kcl kct kcu ke- kea keb kec kee kek kel keo ket kkb kkc kke kkk kkl kkt kku kl- kla klb klc klo klt klu koa kob koc koe kok kol koo kot kou kta ktb ktc kte ktk ktl kto ktt ktu kub kuc kue kuk kul kut kuu la- laa lab lac lae lak lal lao lat lau lba lbb lbc lbe lbk lbl lbo lbt lbu lca lcb lcc lce lck lcl lco lct lcu lea leb lec lee lek lel leo let leu lka lkb lkl lkt lla llb llc lle llk lll llo llt llu loa lob loc loe lok lol loo lot lou lta ltb ltc lte ltk ltl lto ltt ltu lua lub luc lue luk lul luo lut luu oaa oab oac oae oak oal oao oat oau ob- oba obb obc obe obk obl obo obt obu oc- oca ocb occ ock ocl oco oct ocu oea oeb oec oee oel oeo oet oka okb okc oke okk okl oko oku ola olb olc ole olk oll olo olt olu oo- ooa oob ooc ook ool ooo oot ot- ota otb otc ote otk otl oto ott otu ou- oua ouc oue ouk oul ouo out taa tab tac tae tak tal tao tat tau tba tbb tbc tbe tbk tbl tbo tbt tbu tca tcb tcc tce tck tcl tco tct tcu te- tea teb tec tee tek tel teo tet teu tka tkb tkc tke tkk tkl tko tkt tla tlc tle tlk tll tlo tlt tlu to- toa tob toc toe tok tol too tot tou tta ttb ttc tte ttk ttl tto ttt ttu tua tub tuc tue tuk tul tuo tut tuu ua- uaa uab uac uae uak ual uao uat uau uba ubb ubc ube ubk ubl ubo ubt ubu uca ucb ucc uce uck ucl uco uct ucu uea ueb uec uee uel uet uka ukb ukc uke ukk ukl uku ula ulb ulc ule ulk ull ulo ult ulu uoa uob uoc uoe uok uol uoo uot uta utb utc ute utk utl uto utt utu uua uuc uue uut uuu

a-ak a-be a-ok aaaa aaab aaac aaae aaal aaba aabb aabc aabl aabt aaca aacb aacc aace aack aacl aaco aact aacu aaea aaec aaka aake aaku aala aalc aale aall aalo aalu aaoe aaoo aata aatc aatk aatt abaa abab abac abae abak abal abat abau abb- abba abbb abbe abbo abbt abca abcb abcc abcl abct abec abee abel abet abla able ablo aboa abob abok abol aboo abot abou abta abtu abua abue abuk abul abut ac-t acaa acab acac acae acat acba acbl acca accc acce acco acct accu ace- acea acec acek acel acet acke acla aclc acle aclu acoa acoe acol acot acou acta actc acte actl acto actt actu acu- acue acul acuo acut aeac aecb aecl aect aeka aela aelc aeta aetc aeto aett akaa akae akal akao akca akee akel akeu akka akko akku akle aklo akok akot akte akua alaa alac alae alak alal alao alat alau alb- alba albc albe albo albu alca alcc alce alco alea alec alee alek aleo alet aleu alk- alka alkb alke alko alku all- alla alle alll allo allu aloa aloc aloe alok alol aloo alot alou alta alte alto alua aluk alut aoba aoca aoce aoeu aola aole aotc aoul aout at-l at-t ataa atab atac atae atak atal atat atca atcc atck atcl atco atea atec atee atel ateo atka atkt atla atle atlo atob atoc atoe atok atol atot atta atte atto attu atua atub atuc atuk atul auaa aube auca auce auct auel auke aul- aula aule aull aulo ault aulu auol aut- aute auto baaa baak baal baat baba babb babe babo babu bac- baca bacc bace back baco bact baek bael bak- baka