-th a-a a-b a-c a-t aaa aab aac aad aae aah aao aat ab- aba abb abc abd abe abh abo abt ac- aca acb acc acd ace ach aco act ad- ada adb adc add ade adh ado adt aea aeb aec aed aee aeh aeo aet aha ahb ahc ahd ahe ahh aho aht aoa aob aoc aod aoe aoh aoo aot at- ata atb atc atd ate ath ato att baa bab bac bad bae bah bao bat bba bbb bbc bbd bbe bbh bbo bbt bca bcb bcc bcd bce bch bco bct bda bdb bdc bdd bde bdh bdo bdt be- bea beb bec bed bee beh beo bet bha bhb bhc bhd bhe bhh bho bht boa bob boc bod boe boh boo bot bta btb btc btd bte bth bto btt c-- caa cab cac cad cae cah cao cat cba cbb cbc cbd cbe cbh cbo cbt cca ccb ccc ccd cce cch cco cct cda cdb cdc cdd cde cdh cdo cdt ce- cea ceb cec ced cee ceh ceo cet ch- cha chb chc chd che chh cho cht co- coa cob coc cod coe coh coo cot cta ctb ctc ctd cte cth cto ctt daa dab dac dad dae dah dao dat dba dbb dbc dbd dbe dbh dbo dbt dca dcb dcc dcd dce dco dct dda ddb ddc ddd dde ddh ddo ddt de- dea deb dec ded dee deh deo det dh- dha dhb dhc dhd dhe dhh dho dht doa dob doc dod doe doh doo dot dta dtb dtc dtd dte dth dto dtt eaa eab eac ead eae eah eao eat eba ebb ebc ebd ebe ebh ebo ebt ec- eca ecb ecc ecd ece ech eco ect ed- eda edb edc edd ede edh edo edt eea eeb eec eed eee eeo eet eha ehb ehc ehd ehe ehh eho eht eo- eoa eob eoc eod eoe eoh eoo eot eta etb etc etd ete eth eto ett haa hab hac had hae hah hao hat hba hbb hbc hbd hbe hbh hbo hbt hca hcb hcc hcd hce hch hco hct hda hdb hdc hdd hde hdh hdo hdt he- hea heb hec hed hee heh heo het hha hhb hhc hhd hhe hhh hho hht hoa hob hoc hod hoe hoh hoo hot hta htb htc htd hte hth hto htt oaa oab oac oad oae oah oao oat ob- oba obb obc obd obe obh obo obt oc- oca ocb occ ocd och oco oct oda odb odc odd ode odh odo odt oea oeb oec oed oee oeh oeo oet oha ohc ohd ohe ohh oho oht oo- ooa oob ooc ood ooh ooo oot ot- ota otb otc otd ote oth oto ott taa tab tac tad tae tah tao tat tba tbb tbc tbd tbe tbh tbo tbt tca tcb tcc tcd tce tch tco tct tda tdb tdc tdd tde tdh tdo tdt te- tea teb tec ted tee teh teo tet th- tha thb thc thd the thh tho tht to- toa tob toc tod toe toh too tot tta ttb ttc ttd tte tth tto ttt

a-be a-do a-ha aaaa aaab aaac aaad aaae aaah aaba aabb aabc aabd aabh aabt aaca aacb aacc aacd aace aach aaco aact aada aadc aade aadt aaea aaec aaha aaoe aaoo aata aatc aatt abaa abab abac abad abae abat abb- abba abbb abbe abbo abbt abca abcb abcc abcd abch abct abda abdo abec abed abee abet abha abho aboa abob abod aboh aboo abot abta ac-t acaa acab acac acad acae acat acba acca accc accd acce acch acco acct acda acdb acdc acde acdt ace- acea acec aced aceh acet acha ache achh acho acht acoa acod acoe acoh acot acta actc acte acth acto actt adaa adab adac adad adae adah adao adat adba adbc adcc adda addc addd adde addo adea adeb adee adeh adeo adet adha adhd adho adob adoc adod adoe adoo adot adta aeac aecb aect aede aedt aeta aetc aeto aett ahab ahac ahad ahah ahat ahed ahet ahha ahoa ahod ahoe ahot ahta ahte ahto aoah aoba aoca aoce aodh aotc aotd at-t ataa atab atac atad atae atat atca atcc atch atco atdt atea atec ated atee ateo atha athe atho atob atoc atod atoe atot atta atte atto baaa baad baah baat baba babb babe babo bac- baca bacc bace bach baco bact bada badb badd bade badh bado baed baha baho baht baoh bata batc bate bath bato batt bbad bbbb bbch bbdd bbdo bbeb bbet bcaa bcat bcbc bcca bccc bcda bcde bcec bcet bchd bche bctc bdbc bddc bddh bead beah beat beba bebb bebe bebo beca bech beda bede bedo beeb beed beet beo- beod beot beta betc bete beth beto bett bhao bhat bhca bhcc bhet bhot boab boac boad boat boba bobb bobe bobo boca boce boch boco boda bodb bode bodh bodo boea boec boee boeo boet boha bohd boho boht boob booc bood booe booh boot bota botb botd bote both boto bott btaa btcc btdt btec btob bttb c-bo c-cd caaa caab caac caah caat caba cabe cabo cac- caca cacc cace cach caco cada cadc cadd cade cado caec caha cahe caht caod cat- cata catb catc catd cate cath cato catt cbac cbat cbbc cbca cbcc cbce cbct cbdb cbdc cbdo cbea cbec cbee cbet cbha cbot cbta cbtc ccaa ccab ccac ccad ccat ccba ccbc ccca cccb cccc ccdc ccdh cced ccee ccha cche ccob ccoc ccod cctb cctc cctt cd-e cdaa cdac cdad cdba cdda cddb cdec cdot ceac cead ceat ceba cec- ceca cece ceco cect ceda cedd cede cedo cedt ceeb ceec cet- ceta cete ceto chaa chab chac chad chae chah chao chat chca chce chch chea cheb chec ched chee cheh chet chha choc chod choh choo chto chtt coad coat coba cobb cobe cobh cobo