-al a-a a-b a-c a-t aaa aab aac aad aae aal aap aat ab- aba abb abc abd abe abl abp abt ac- aca acb acc acd ace acl acp act ad- ada adb adc add ade adl adp adt aea aeb aec aed aee ael aep aet al- ala alb alc ald ale all alp alt ap- apa apb apc apd ape apl app apt at- ata atb atc atd ate atl atp att b-p baa bab bac bad bae bal bap bat bba bbb bbc bbd bbe bbl bbp bbt bca bcb bcc bcd bce bcl bcp bct bda bdb bdc bdd bde bdl bdp bdt be- bea beb bec bed bee bel bep bet bla blb blc bld ble bll blp blt bpa bpb bpc bpd bpe bpl bpp bpt bta btb btc btd bte btl btp btt c-- caa cab cac cad cae cal cap cat cba cbb cbc cbd cbe cbl cbp cbt cca ccb ccc ccd cce ccl ccp cct cda cdb cdc cdd cde cdl cdp cdt ce- cea ceb cec ced cee cel cep cet cl- cla clb clc cld cle cll clp clt cpa cpb cpc cpd cpe cpl cpp cpt cta ctb ctc ctd cte ctl ctp ctt daa dab dac dad dae dal dap dat dba dbb dbc dbd dbe dbl dbp dbt dca dcb dcc dcd dce dcl dcp dct dda ddb ddc ddd dde ddl ddp ddt de- dea deb dec ded dee del dep det dl- dla dlb dlc dld dle dll dlp dlt dpa dpb dpc dpd dpe dpl dpp dpt dta dtb dtc dtd dte dtl dtp dtt eaa eab eac ead eae eal eap eat eba ebb ebc ebd ebe ebl ebp ebt ec- eca ecb ecc ecd ece ecl ect ed- eda edb edc edd ede edl edp edt eea eeb eec eed eee eel eep eet ela elb elc eld ele ell elp elt ep- epa epb epc epd epe epl epp ept eta etb etc etd ete etl etp ett l-p la- laa lab lac lad lae lal lap lat lba lbb lbc lbd lbe lbl lbp lbt lca lcb lcc lcd lce lcl lcp lct lda ldb ldc ldd lde ldl ldp ldt lea leb lec led lee lel lep let lla llb llc lld lle lll llp llt lpa lpb lpc lpd lpe lpl lpp lpt lta ltb ltc ltd lte ltl ltp ltt p-p paa pab pac pad pae pal pap pat pba pbb pbc pbd pbe pbl pbp pbt pca pcb pcc pcd pce pcl pcp pct pda pdb pdc pdd pde pdl pdp pdt pea peb pec ped pee pel pep pet pla plb plc pld ple pll plp plt ppa ppb ppc ppd ppe ppl ppp ppt pt- pta ptb ptc ptd pte ptl ptp ptt taa tab tac tad tae tal tap tat tba tbb tbc tbd tbe tbl tbp tbt tca tcb tcc tcd tce tcl tcp tct tda tdb tdc tdd tde tdl tdp tdt te- tea teb tec ted tee tel tep tet tla tlc tld tle tll tlp tlt tpa tpb tpc tpd tpe tpl tpp tpt tta ttb ttc ttd tte ttl ttp ttt

a-be aaaa aaab aaac aaad aaae aaal aaap aaba aabb aabc aabd aabl aabp aabt aaca aacb aacc aacd aace aacl aacp aact aada aadc aade aadt aaea aaec aaep aala aalc aald aale aall aapa aapc aapl aapt aata aatc aatt abaa abab abac abad abae abal abap abat abb- abba abbb abbe abbt abca abcb abcc abcd abcl abcp abct abda abec abed abee abel abet abla able abpa abpc abpd abpp abta ac-t acaa acab acac acad acae acap acat acba acbl acca accc accd acce accp acct acda acdb acdc acde acdp acdt ace- acea acec aced acel acet acla aclc acle acpa acpd acpe acpt acta actc acte actl actt adaa adab adac adad adae adal adap adat adba adbc adcc adda addc addd adde addl adea adeb adee adel adet adle adp- adta aeac aeap aecb aecl aect aede aedt aela aelc aelp aeta aetc aett al-p alaa alac alad alae alal alap alat alb- alba albc albe alca alcc alce ald- alda alde aldl alea alec aled alee alep alet all- alla alle alll alpa alpe alpl alta alte apac apal apap apat apba apca apcb apcc apcd apda apdd apea apec aped apel apep apet apl- apla aple aplp appa appc appd appl appt apta aptc apte aptt at-l at-t ataa atab atac atad atae atal atap atat atca atcc atcl atdt atea atec ated atee atel atep atla atle atta atte attp baaa baad baal baat baba babb babe bac- baca bacc bace bact bada badb badd bade baed bael bala balc bald bale ball balt bapa bapc bape bapp bapt bata batc bate batt bbad bbbb bbdd bbeb bbet bblb bcaa bcap bcat bcbc bcbp bcca bccc bccl bcda bcde bcec bcet bcpl bcpp bctc bdbc bddc bdle bdpc bead beal beap beat beba bebb bebe beca beda bede bedl beeb beed beel beep beet bela beld bele bell belp belt beta betc bete bett blaa blab blac blad blae blat blbt bldc blea bleb bled blee blet bpcp bpda bpea bpel btaa btbp btcc btcl btdt btec btla btlp bttb c-cd caaa caab caac caal caap caat caba cabe cac- caca cacc cace cada cadc cadd cade caec cala calc cald cale call calp calt capa capb capc capd cape capp capt cat- cata catb catc catd cate catt cbac cbal cbat cbbc cbca cbcc cbce cbcl cbcp cbct cbdb cbdc cbea cbec cbee cbet cblb cblc cbpc cbpp cbta cbtc cbtl ccaa ccab ccac ccad ccap ccat ccba ccbc ccca cccb cccc cccl cccp ccdc ccdp cced ccee ccel ccla cclc ccpa ccpe ccpl ccpp cctb cctc cctl cctt cd-e cdaa cdac cdad cdba cdda cddb cddl cdec ceac cead ceal ceat ceba cebp cec- ceca cece cecp cect ceda cedd cede