-al a-a a-b a-c a-t aaa aab aac aae aal aam aat ab- aba abb abc abe abl abm abt ac- aca acb acc ace acl acm act aea aeb aec aee ael aem aet al- ala alb alc ale all alm alt ama amb amc ame aml amm amt at- ata atb atc ate atl atm att baa bab bac bae bal bam bat bba bbb bbc bbe bbl bbm bbt bca bcb bcc bce bcl bcm bct be- bea beb bec bee bel bem bet bla blb blc ble bll blm blt bma bmb bmc bme bml bmm bmt bta btb btc bte btl btm btt c-- caa cab cac cae cal cam cat cba cbb cbc cbe cbl cbm cbt cca ccb ccc cce ccl ccm cct ce- cea ceb cec cee cel cem cet cl- cla clb clc cle cll clm clt cma cmb cmc cme cml cmm cmt cta ctb ctc cte ctl ctm ctt eaa eab eac eae eal eam eat eba ebb ebc ebe ebl ebm ebt ec- eca ecb ecc ece ecl ecm ect eea eeb eec eee eel eem eet ela elb elc ele ell elm elt em- ema emb emc eme eml emm emt eta etb etc ete etl etm ett la- laa lab lac lae lal lam lat lba lbb lbc lbe lbl lbm lbt lca lcb lcc lce lcl lcm lct lea leb lec lee lel lem let lla llb llc lle lll llm llt lma lmb lmc lme lml lmm lmt lta ltb ltc lte ltl ltm ltt maa mab mac mae mal mam mat mba mbb mbc mbe mbl mbm mbt mc- mca mcb mcc mce mcl mcm mct mea meb mec mee mel mem met mla mlb mlc mle mll mlm mlt mma mmb mmc mme mml mmm mmt mta mtb mtc mte mtl mtm mtt taa tab tac tae tal tam tat tba tbb tbc tbe tbl tbm tbt tca tcb tcc tce tcl tcm tct te- tea teb tec tee tel tem tet tla tlc tle tll tlm tlt tma tmb tmc tme tml tmm tmt tta ttb ttc tte ttl ttm ttt

a-be aaaa aaab aaac aaae aaal aaam aaba aabb aabc aabl aabm aabt aaca aacb aacc aace aacl aacm aact aaea aaec aaem aala aalc aale aall aama aamb aamc aame aata aatc aatt abaa abab abac abae abal abam abat abb- abba abbb abbe abbt abca abcb abcc abcl abct abec abee abel abet abla able abma abmb abmc abmt abta ac-t acaa acab acac acae acat acba acbl acca accc acce accm acct ace- acea acec acel acem acet acla aclc acle acma acmc acme acta actc acte actl actt aeac aecb aecl aect aela aelc aemt aeta aetc aett alaa alac alae alal alam alat alb- alba albc albe albm alca alcc alce alea alec alee alem alet all- alla alle alll alma almc alme alta alte altm amaa amac amae amal amam amat amb- amba ambe amca amcc amec amee amel amet amla amm- amma amme amta amtc amte at-l at-t ataa atab atac atae atal atat atca atcc atcl atea atec atee atel atem atla atle atm- atma atme atml atta atte baaa baal baam baat baba babb babe babm bac- baca bacc bace bact bael bala balc bale ball balm balt bama bamb bamc bame baml bamm bata batc bate batt bbbb bbcm bbeb bbet bblb bcaa bcam bcat bcbc bcca bccc bccl bccm bcec bcet bcma bctc beal beam beat beba bebb bebe beca beeb beel beem beet bela bele bell belm belt bema beme beta betc bete bett blaa blab blac blae blam blat blbt blea bleb blee blem blet blme bmaa bmce bmtc btaa btcc btcl btec btla bttb caaa caab caac caal caam caat caba cabe cac- caca cacc cace cacm caec caem cala calc cale call calm calt cama camb camc came caml camm camt cat- cata catb catc cate catm catt cbac cbal cbat cbbc cbca cbcc cbce cbcl cbcm cbct cbea cbec cbee cbet cblb cblc cbme cbta cbtc cbtl ccaa ccab ccac ccam ccat ccba ccbc ccca cccb cccc cccl cccm ccee ccel ccla cclc cclm ccma ccmb ccmc ccmm cctb cctc cctl cctt ceac ceal ceat ceba cec- ceca cece cecm cect ceeb ceec ceel ceem cel- cela celc cele cell celt cema cemb ceme cemm cet- ceta cete clab clam clat clea clec clee clem clet cltb cltc cmaa cmac cmba cmbc cmcc cmea cmec cmla cmll cmmb cmmc cmml cmta cmtc ctab ctae ctal ctba ctca ctec ctle ctma ctta e-cl e-la eaba eaca eacc eaec eala ealc eale eama eame eata eate ebac ebal ebam ebba ebbc ebcc ebel ebla ecaa ecac ecal ecam ecat ecbc ecbe ecca eccb eccc ecce eccl eccm ecct ecem ecla eclt ecma ect- ecta ectc eeca eeea eeee eele eeta eetc eete el-b elab elac elal elam elat elba elbe elca elcb elce elea elec elee elem elet ella elle elma elme elml elta elte emac emae emam emba embe emcc emel emet emle emlm emma emme emml emta emte etal etam etat etbc etcc etec etee etel etem etla etta ette laaa laac laal laam laat laba labe laca lacc lace lacl lact lael laem laet lala lale lall lalm lama lamb lame lamm lata latc late latt lbcc lbmc lcac lcat lcbc lcca lccc lcce lccm lctl lctm leaa leal leam leat leba leca lece lect leea leel leem leet lela lele lell lema leme lemm leta lete lett llat llcc llet lllc llll lmcc ltac ltae ltbl ltcc ltee lttc maaa maac maal maam maat maba mabe mac- maca macb macc mace mact maee mael maem mal- mala male mall malm malt mama mamc mame mata matc mate matl matt mbac mbam mbba mbca mbta mcaa mcac mcat mcba mcbc mcca mccc mccl mcla mclt mcmc mcml mcmt mctc meal meat mebe mec- meca mecc mece meel meem meet mel- mela melb melc