a-a a-b a-c a-t aaa aab aac aad aae aaj aak aao aat ab- aba abb abc abd abe abj abk abo abt ac- aca acb acc acd ace acj ack aco act ad- ada adb adc add ade adj adk ado adt aea aeb aec aed aee aej aek aeo aet aja ajb ajc ajd aje ajj ajk ajo ajt aka akb akc akd ake akj akk ako aoa aob aoc aod aoe aoj aok aoo aot at- ata atb atc atd ate ato att baa bab bac bad bae baj bak bao bat bba bbb bbc bbd bbe bbk bbo bbt bca bcb bcc bcd bce bcj bck bco bct bda bdb bdc bdd bde bdj bdk bdo bdt be- bea beb bec bed bee bek beo bet bja bjc bjd bjj bjk bjt bka bkb bkc bke bkk bko bkt boa bob boc bod boe boj bok boo bot bta btb btc btd bte btk bto btt c-- c-j caa cab cac cad cae caj cak cao cat cba cbb cbc cbd cbe cbj cbk cbo cbt cca ccb ccc ccd cce ccj cck cco cct cda cdb cdc cdd cde cdj cdk cdo cdt ce- cea ceb cec ced cee cej cek ceo cet cja cjb cjc cjd cjk cka ckb ckc ckd cko ckt co- coa cob coc cod coe coj cok coo cot cta ctb ctc ctd cte ctk cto ctt daa dab dac dad dae daj dak dao dat dba dbb dbc dbd dbe dbk dbo dbt dca dcb dcc dcd dce dck dco dct dda ddb ddc ddd dde ddk ddo ddt de- dea deb dec ded dee dej dek deo det dj- dja djb djc djd dje djk djo djt dka dkb dkc dke dkk dko dkt doa dob doc dod doe doj dok doo dot dta dtb dtc dtd dte dtj dtk dto dtt eaa eab eac ead eae eaj eak eao eat eba ebb ebc ebd ebe ebj ebk ebo ebt ec- eca ecb ecc ecd ece ecj eck eco ect ed- eda edb edc edd ede edj edk edo edt eea eeb eec eed eee eek eeo eet eja ejc ejd ejo ejt eka ekb ekc ekd eke eko ekt eo- eoa eob eoc eod eoe eok eoo eot eta etb etc etd ete etj etk eto ett j-d jaa jab jac jad jae jaj jak jao jat jba jbc jbj jbk jbo jbt jca jcb jcc jcd jce jck jco jct jda jdb jdc jde jdo jdt jea jeb jec jed jee jej jek jeo jet jja jjb jjc jjj jjk jka jkb jkk jko jkt joa job joc jod joe joj jok joo jot jta jtb jtc jte jtk jtt k-t ka- kaa kab kac kad kae kaj kak kao kat kba kbb kbc kbd kbe kbk kbo kca kcb kcc kcd kce kck kct kda kdb kdc kde kdk kdo kdt ke- kea keb kec ked kee kek keo ket kjb kjc kje kkb kkc kke kkk kkt koa kob koc kod koe kok koo kot kta ktb ktc kte ktj ktk kto ktt oaa oab oac oad oae oaj oak oao oat ob- oba obb obc obd obe obj obk obo obt oc- oca ocb occ ocd ocj ock oco oct oda odb odc odd ode odo odt oea oeb oec oed oee oeo oet oja ojb ojc ojd oje ojo oka okb okc okd oke okj okk oko oo- ooa oob ooc ood ook ooo oot ot- ota otb otc otd ote otk oto ott taa tab tac tad tae taj tak tao tat tba tbb tbc tbd tbe tbj tbk tbo tbt tca tcb tcc tcd tce tcj tck tco tct tda tdb tdc tdd tde tdk tdo tdt te- tea teb tec ted tee tej tek teo tet tjc tjd tje tjo tka tkb tkc tke tkk tko tkt to- toa tob toc tod toe toj tok too tot tta ttb ttc ttd tte ttk tto ttt

a-ak a-be a-do a-ok aaaa aaab aaac aaad aaae aaba aabb aabc aabd aabt aaca aacb aacc aacd aace aack aaco aact aada aadc aade aadt aaea aaec aaka aake aaoe aaoo aata aatc aatk aatt abaa abab abac abad abae abaj abak abat abb- abba abbb abbe abbo abbt abca abcb abcc abcd abct abda abdo abec abed abee abet aboa abob abod abok aboo abot abta ac-t acaa acab acac acad acae acat acba acca accc accd acce acco acct acda acdb acdc acde acdt ace- acea acec aced acek acet ackd acke acoa acod acoe acot acta actc acte acto actt adaa adab adac adad adae adak adao adat adba adbc adcc adda addc addd adde addo adea adeb adee adeo adet adja adjt adob adoc adod adoe adok adoo adot adta aeac aecb aect aede aedt aeka aeta aetc aeto aett ajab ajac ajak ajao ajat ajba ajed ajee ajet ajka ajob ajoo ajot akaa akae akao akca aked akee akka akko akok akot akte aoba aoca aoce aotc aotd at-t ataa atab atac atad atae atak atat atca atcc atck atco atdt atea atec ated atee ateo atka atkt atob atoc atod atoe atok atot atta atte atto baaa baad baak baat baba babb babe babo bac- baca bacc bace back baco bact bada badb badd bade bado baed baek baja bak- baka bake bako bakt bata batc bate bato batt bbad bbbb bbdd bbdo bbeb bbet bcaa bcat bcbc bcca bccc bcda bcde bcec bcet bctc bd-j bdbc bddc bead beak beat beba bebb bebe bebo beca beck beda bede bedo beeb beed beej beek beet beja beka beke beko beo- beod beok beot beta betc bete beto bett bjcc bjec bjoa boab boac boad boak boat boba bobb bobe bobo boca boce bock boco boda bodb bode bodo boea boec boee boeo boet bojd bojo bojt boka boke boko boob booc bood booe book boot bota botb botd bote boto bott btaa btcc btdt btec btek btob