-al -ol a-a a-b a-c a-t aaa aab aac aad aae aal aao aat ab- aba abb abc abd abe abl abo abt ac- aca acb acc acd ace acl aco act ad- ada adb adc add ade adl ado adt aea aeb aec aed aee ael aeo aet al- ala alb alc ald ale all alo alt aoa aob aoc aod aoe aol aoo aot at- ata atb atc atd ate atl ato att baa bab bac bad bae bal bao bat bba bbb bbc bbd bbe bbl bbo bbt bca bcb bcc bcd bce bcl bco bct bda bdb bdc bdd bde bdl bdo bdt be- bea beb bec bed bee bel beo bet bla blb blc bld ble bll blo blt boa bob boc bod boe bol boo bot bta btb btc btd bte btl bto btt c-- caa cab cac cad cae cal cao cat cba cbb cbc cbd cbe cbl cbo cbt cca ccb ccc ccd cce ccl cco cct cda cdb cdc cdd cde cdl cdo cdt ce- cea ceb cec ced cee cel ceo cet cl- cla clb clc cld cle cll clo clt co- coa cob coc cod coe col coo cot cta ctb ctc ctd cte ctl cto ctt daa dab dac dad dae dal dao dat dba dbb dbc dbd dbe dbl dbo dbt dca dcb dcc dcd dce dcl dco dct dda ddb ddc ddd dde ddl ddo ddt de- dea deb dec ded dee del deo det dl- dla dlb dlc dld dle dll dlo dlt doa dob doc dod doe dol doo dot dta dtb dtc dtd dte dtl dto dtt eaa eab eac ead eae eal eao eat eba ebb ebc ebd ebe ebl ebo ebt ec- eca ecb ecc ecd ece ecl eco ect ed- eda edb edc edd ede edl edo edt eea eeb eec eed eee eel eeo eet ela elb elc eld ele ell elo elt eo- eoa eob eoc eod eoe eol eoo eot eta etb etc etd ete etl eto ett la- laa lab lac lad lae lal lao lat lba lbb lbc lbd lbe lbl lbo lbt lca lcb lcc lcd lce lcl lco lct lda ldb ldc ldd lde ldl ldo ldt lea leb lec led lee lel leo let lla llb llc lld lle lll llo llt loa lob loc lod loe lol loo lot lta ltb ltc ltd lte ltl lto ltt oaa oab oac oad oae oal oao oat ob- oba obb obc obd obe obl obo obt oc- oca ocb occ ocd ocl oco oct oda odb odc odd ode odl odo odt oea oeb oec oed oee oel oeo oet ola olb olc old ole oll olo olt oo- ooa oob ooc ood ool ooo oot ot- ota otb otc otd ote otl oto ott taa tab tac tad tae tal tao tat tba tbb tbc tbd tbe tbl tbo tbt tca tcb tcc tcd tce tcl tco tct tda tdb tdc tdd tde tdl tdo tdt te- tea teb tec ted tee tel teo tet tla tlc tld tle tll tlo tlt to- toa tob toc tod toe tol too tot tta ttb ttc ttd tte ttl tto ttt

a-be a-do aaaa aaab aaac aaad aaae aaal aaba aabb aabc aabd aabl aabt aaca aacb aacc aacd aace aacl aaco aact aada aadc aade aadt aaea aaec aala aalc aald aale aall aalo aaoe aaoo aata aatc aatt abaa abab abac abad abae abal abat abb- abba abbb abbe abbo abbt abca abcb abcc abcd abcl abct abda abdo abec abed abee abel abet abla able ablo aboa abob abod abol aboo abot abta ac-t acaa acab acac acad acae acat acba acbl acca accc accd acce acco acct acda acdb acdc acde acdt ace- acea acec aced acel acet acla aclc acle acoa acod acoe acol acot acta actc acte actl acto actt adaa adab adac adad adae adal adao adat adba adbc adcc adda addc addd adde addl addo adea adeb adee adel adeo adet adle adob adoc adod adoe adoo adot adta aeac aecb aecl aect aede aedt aela aelc aeta aetc aeto aett alaa alac alad alae alal alao alat alb- alba albc albe albo alca alcc alce alco ald- alda alde aldl aldo alea alec aled alee aleo alet all- alla alle alll allo aloa aloc alod aloe alol aloo alot alta alte alto aoba aoca aoce aola aole aotc aotd at-l at-t ataa atab atac atad atae atal atat atca atcc atcl atco atdt atea atec ated atee atel ateo atla atle atlo atob atoc atod atoe atol atot atta atte atto baaa baad baal baat baba babb babe babo bac- baca bacc bace baco bact bada badb badd bade bado baed bael bala balc bald bale ball balo balt baol bata batc bate bato batt bbad bbbb bbdd bbdo bbeb bbet bblb bcaa bcat bcbc bcca bccc bccl bcda bcde bcec bcet bctc bdbc bddc bdle bead beal beat beba bebb bebe bebo beca beda bede bedl bedo beeb beed beel beet bela beld bele bell belo belt beo- beod beot beta betc bete beto bett blaa blab blac blad blae blat blbt bldc blea bleb bled blee bleo blet blob bloc blod bloo blot boab boac boad boal boat boba bobb bobe bobo boca boce boco boda bodb bode bodo boea boec boee boel boeo boet bola bold bole boll bolo bolt boob booc bood booe bool boot bota botb botd bote boto bott btaa btcc btcl btdt btec btla btob bttb c-bo c-cd caaa caab caac caal caat caba cabe cabo cac- caca cacc cace caco cada cadc cadd cade cado caec cala calc cald cale call calo calt caod caol cat- cata catb catc catd cate cato catt cbac cbal cbat cbbc cbca cbcc cbce cbcl cbct cbdb cbdc cbdo cbea cbec cbee cbet cblb cblc cbol cbot cbta cbtc cbtl ccaa ccab ccac ccad ccat ccba ccbc ccca cccb cccc cccl