-al -ol a-a a-b a-c a-t aaa aab aac aae aal aao aap aat ab- aba abb abc abe abl abo abp abt ac- aca acb acc ace acl aco acp act aea aeb aec aee ael aeo aep aet al- ala alb alc ale all alo alp alt aoa aob aoc aoe aol aoo aop aot ap- apa apb apc ape apl apo app apt at- ata atb atc ate atl ato atp att b-p baa bab bac bae bal bao bap bat bba bbb bbc bbe bbl bbo bbp bbt bca bcb bcc bce bcl bco bcp bct be- bea beb bec bee bel beo bep bet bla blb blc ble bll blo blp blt boa bob boc boe bol boo bop bot bpa bpb bpc bpe bpl bpo bpp bpt bta btb btc bte btl bto btp btt c-- caa cab cac cae cal cao cap cat cba cbb cbc cbe cbl cbo cbp cbt cca ccb ccc cce ccl cco ccp cct ce- cea ceb cec cee cel ceo cep cet cl- cla clb clc cle cll clo clp clt co- coa cob coc coe col coo cop cot cpa cpb cpc cpe cpl cpo cpp cpt cta ctb ctc cte ctl cto ctp ctt eaa eab eac eae eal eao eap eat eba ebb ebc ebe ebl ebo ebp ebt ec- eca ecb ecc ece ecl eco ect eea eeb eec eee eel eeo eep eet ela elb elc ele ell elo elp elt eo- eoa eob eoc eoe eol eoo eop eot ep- epa epb epc epe epl epo epp ept eta etb etc ete etl eto etp ett l-p la- laa lab lac lae lal lao lap lat lba lbb lbc lbe lbl lbo lbp lbt lca lcb lcc lce lcl lco lcp lct lea leb lec lee lel leo lep let lla llb llc lle lll llo llp llt loa lob loc loe lol loo lop lot lpa lpb lpc lpe lpl lpo lpp lpt lta ltb ltc lte ltl lto ltp ltt oaa oab oac oae oal oao oap oat ob- oba obb obc obe obl obo obp obt oc- oca ocb occ ocl oco ocp oct oea oeb oec oee oel oeo oep oet ola olb olc ole oll olo olp olt oo- ooa oob ooc ool ooo oop oot op- opa opb opc ope opl opo opp opt ot- ota otb otc ote otl oto otp ott p-p paa pab pac pae pal pao pap pat pba pbb pbc pbe pbl pbo pbp pbt pca pcb pcc pce pcl pco pcp pct pea peb pec pee pel peo pep pet pla plb plc ple pll plo plp plt poa pob poc poe pol poo pop pot ppa ppb ppc ppe ppl ppo ppp ppt pt- pta ptb ptc pte ptl pto ptp ptt taa tab tac tae tal tao tap tat tba tbb tbc tbe tbl tbo tbp tbt tca tcb tcc tce tcl tco tcp tct te- tea teb tec tee tel teo tep tet tla tlc tle tll tlo tlp tlt to- toa tob toc toe tol too top tot tpa tpb tpc tpe tpl tpo tpp tpt tta ttb ttc tte ttl tto ttp ttt

a-be aaaa aaab aaac aaae aaal aaap aaba aabb aabc aabl aabp aabt aaca aacb aacc aace aacl aaco aacp aact aaea aaec aaep aala aalc aale aall aalo aaoe aaoo aapa aapc aapl aapo aapt aata aatc aatt abaa abab abac abae abal abap abat abb- abba abbb abbe abbo abbt abca abcb abcc abcl abcp abct abec abee abel abet abla able ablo aboa abob abol aboo abot abpa abpc abpp abta ac-t acaa acab acac acae acap acat acba acbl acca accc acce acco accp acct ace- acea acec acel acet acla aclc acle acoa acoe acol acop acot acpa acpe acpt acta actc acte actl acto actt aeac aeap aecb aecl aect aela aelc aelp aeta aetc aeto aett al-p alaa alac alae alal alao alap alat alb- alba albc albe albo alca alcc alce alco alea alec alee aleo alep alet all- alla alle alll allo aloa aloc aloe alol aloo alop alot alpa alpe alpl alpo alta alte alto aoba aoca aoce aola aole aopo aotc apac apal apao apap apat apba apca apcb apcc apco apea apec apel apep apet apl- apla aple aplp apo- apoc apoe apoo apop apot appa appc appl appt apta aptc apte aptt at-l at-t ataa atab atac atae atal atap atat atca atcc atcl atco atea atec atee atel ateo atep atla atle atlo atob atoc atoe atol atop atot atta atte atto attp baaa baal baat baba babb babe babo bac- baca bacc bace baco bact bael bala balc bale ball balo balt baol bapa bapc bape bapp bapt bata batc bate bato batt bbbb bbeb bbet bblb bcaa bcap bcat bcbc bcbp bcca bccc bccl bcec bcet bcpl bcpp bctc beal beap beat beba bebb bebe bebo beca beeb beel beep beet bela bele bell belo belp belt beo- beot bepo beta betc bete beto bett blaa blab blac blae blat blbt blea bleb blee bleo blet blob bloc bloo blop blot boab boac boal boat boba bobb bobe bobo boca boce boco boea boec boee boel boeo boep boet bola bole boll bolo bolt boob booc booe bool boop boot bopa bope bopp bota botb bote boto bott bpcp bpea bpel bpoe bpot btaa btbp btcc btcl btec btla btlp btob bttb c-bo caaa caab caac caal caap caat caba cabe cabo cac- caca cacc cace caco caec cala calc cale call calo calp calt caol capa capb capc cape capo capp capt cat- cata catb catc cate cato catt cbac cbal cbat cbbc cbca cbcc cbce cbcl cbcp cbct cbea cbec cbee cbet cblb cblc cbol cbot cbpc cbpp cbta cbtc cbtl ccaa ccab ccac ccap ccat ccba ccbc ccca cccb cccc cccl cccp ccee ccel ccla cclc ccob ccoc ccpa ccpe ccpl ccpp