-al -ol a-a a-b a-i a-t aaa aab aad aae aai aal aao aap aas aat ab- aba abb abd abe abi abl abo abp abs abt ad- ada adb add ade adi adl ado adp ads adt aea aeb aed aee aei ael aeo aep aes aet ai- aia aib aid aie aii ail aio aip ais ait al- ala alb ald ale ali all alo alp als alt aoa aob aod aoe aoi aol aoo aop aos aot ap- apa apb apd ape api apl apo app aps apt as- asa asb asd ase asi asl aso asp ass ast at- ata atb atd ate ati atl ato atp ats att b-p baa bab bad bae bai bal bao bap bas bat bba bbb bbd bbe bbi bbl bbo bbp bbs bbt bda bdb bdd bde bdi bdl bdo bdp bds bdt be- bea beb bed bee bei bel beo bep bes bet bi- bia bib bid bie bii bil bio bip bis bit bla blb bld ble bli bll blo blp bls blt boa bob bod boe boi bol boo bop bos bot bpa bpb bpd bpe bpi bpl bpo bpp bps bpt bsa bsb bsd bse bsi bsl bso bsp bss bst bta btb btd bte bti btl bto btp bts btt daa dab dad dae dai dal dao dap das dat dba dbb dbd dbe dbi dbl dbo dbp dbs dbt dda ddb ddd dde ddi ddl ddo ddp dds ddt de- dea deb ded dee dei del deo dep des det di- dia dib did die dii dil dio dip dis dit dl- dla dlb dld dle dli dll dlo dlp dls dlt doa dob dod doe doi dol doo dop dos dot dpa dpb dpd dpe dpi dpl dpo dpp dps dpt dsa dsb dsd dse dsi dsl dso dsp dss dst dta dtb dtd dte dti dtl dto dtp dts dtt eaa eab ead eae eai eal eao eap eas eat eba ebb ebd ebe ebi ebl ebo ebp ebs ebt ed- eda edb edd ede edi edl edo edp eds edt eea eeb eed eee eel eeo eep ees eet eia eib eid eie eii eil eio eip eis eit ela elb eld ele eli ell elo elp els elt eo- eoa eob eod eoe eoi eol eoo eop eos eot ep- epa epb epd epe epi epl epo epp eps ept es- esa esb esd ese esi esl eso esp ess est eta etb etd ete eti etl eto etp ets ett i-d ia- iaa iab iad iae iai ial iao iap ias iat iba ibb ibd ibe ibi ibl ibo ibp ibs ibt ida idb idd ide idi idl ido idp ids idt ie- iea ied iee iei iel iep ies iet iia iib iid iie iii iil iio iip iis iit il- ila ilb ild ile ili ill ilo ilp ils ilt io- ioa iob iod ioe ioi iol ioo iop ios iot ipa ipb ipd ipe ipi ipl ipo ipp ips ipt is- isa isb isd ise isi isl iso isp iss ist ita itb itd ite iti itl ito itp its itt l-p la- laa lab lad lae lai lal lao lap las lat lba lbb lbd lbe lbi lbl lbo lbp lbs lbt lda ldb ldd lde ldi ldl ldo ldp lds ldt lea leb led lee lei lel leo lep les let lia lib lid lie lii lil lio lip lis lit lla llb lld lle lli lll llo llp lls llt loa lob lod loe loi lol loo lop los lot lpa lpb lpd lpe lpi lpl lpo lpp lps lpt lsa lsb lsd lse lsi lsl lso lsp lss lst lta ltb ltd lte lti ltl lto ltp lts ltt o-i oaa oab oad oae oai oal oao oap oas oat ob- oba obb obd obe obi obl obo obp obs obt oda odb odd ode odi odl odo odp ods odt oea oeb oed oee oei oel oeo oep oes oet oia oib oid oie oii oil oio oip ois oit ola olb old ole oli oll olo olp ols olt oo- ooa oob ood ooi ool ooo oop oos oot op- opa opb opd ope opi opl opo opp ops opt os- osa osb osd ose osi osl oso osp oss ost ot- ota otb otd ote oti otl oto otp ots ott p-p paa pab pad pae pai pal pao pap pas pat pba pbb pbd pbe pbi pbl pbo pbp pbs pbt pda pdb pdd pde pdi pdl pdo pdp pds pdt pea peb ped pee pei pel peo pep pes pet pia pib pid pie pii pil pio pip pis pit pla plb pld ple pli pll plo plp pls plt poa pob pod poe poi pol poo pop pos pot ppa ppb ppd ppe ppi ppl ppo ppp pps ppt ps- psa psb psd pse psi psl pso psp pss pst pt- pta ptb ptd pte pti ptl pto ptp pts ptt saa sab sad sae sai sal sao sap sas sat sba sbb sbd sbe sbi sbl sbo sbp sbs sbt sda sdb sdd sde sdi sdl sdo sdp sds sdt se- sea seb sed see sei sel seo sep ses set sia sib sid sie sii sil sio sip sis sit sla slb sld sle sli sll slo slp sls slt soa sob sod soe soi sol soo sop sos sot spa spb spd spe spi spl spo spp sps spt ss- ssa ssb ssd sse ssi ssl sso ssp sss sst sta stb std ste sti stl sto stp sts stt taa tab tad tae tai tal tao tap tas tat tba tbb tbd tbe tbi tbl tbo tbp tbs tbt tda tdb tdd tde tdi tdl tdo tdp tds tdt te- tea teb ted tee tei tel teo tep tes tet tia tib tid tie tii til tio tip tis tit tla tld tle tli tll tlo tlp tls tlt to- toa