-al -ol a-a a-b a-i aaa aab aad aae aai aal aao aap aas ab- aba abb abd abe abi abl abo abp abs ad- ada adb add ade adi adl ado adp ads aea aeb aed aee aei ael aeo aep aes ai- aia aib aid aie aii ail aio aip ais al- ala alb ald ale ali all alo alp als aoa aob aod aoe aoi aol aoo aop aos ap- apa apb apd ape api apl apo app aps as- asa asb asd ase asi asl aso asp ass b-p baa bab bad bae bai bal bao bap bas bba bbb bbd bbe bbi bbl bbo bbp bbs bda bdb bdd bde bdi bdl bdo bdp bds be- bea beb bed bee bei bel beo bep bes bi- bia bib bid bie bii bil bio bip bis bla blb bld ble bli bll blo blp bls boa bob bod boe boi bol boo bop bos bpa bpb bpd bpe bpi bpl bpo bpp bps bsa bsb bsd bse bsi bsl bso bsp bss daa dab dad dae dai dal dao dap das dba dbb dbd dbe dbi dbl dbo dbp dbs dda ddb ddd dde ddi ddl ddo ddp dds de- dea deb ded dee dei del deo dep des di- dia dib did die dii dil dio dip dis dl- dla dlb dld dle dli dll dlo dlp dls doa dob dod doe doi dol doo dop dos dpa dpb dpd dpe dpi dpl dpo dpp dps dsa dsb dsd dse dsi dsl dso dsp dss eaa eab ead eae eai eal eao eap eas eba ebb ebd ebe ebi ebl ebo ebp ebs ed- eda edb edd ede edi edl edo edp eds eea eeb eed eee eel eeo eep ees eia eib eid eie eii eil eio eip eis ela elb eld ele eli ell elo elp els eo- eoa eob eod eoe eoi eol eoo eop eos ep- epa epb epd epe epi epl epo epp eps es- esa esb esd ese esi esl eso esp ess i-d ia- iaa iab iad iae iai ial iao iap ias iba ibb ibd ibe ibi ibl ibo ibp ibs ida idb idd ide idi idl ido idp ids ie- iea ied iee iei iel iep ies iia iib iid iie iii iil iio iip iis il- ila ilb ild ile ili ill ilo ilp ils io- ioa iob iod ioe ioi iol ioo iop ios ipa ipb ipd ipe ipi ipl ipo ipp ips is- isa isb isd ise isi isl iso isp iss l-p la- laa lab lad lae lai lal lao lap las lba lbb lbd lbe lbi lbl lbo lbp lbs lda ldb ldd lde ldi ldl ldo ldp lds lea leb led lee lei lel leo lep les lia lib lid lie lii lil lio lip lis lla llb lld lle lli lll llo llp lls loa lob lod loe loi lol loo lop los lpa lpb lpd lpe lpi lpl lpo lpp lps lsa lsb lsd lse lsi lsl lso lsp lss o-i oaa oab oad oae oai oal oao oap oas ob- oba obb obd obe obi obl obo obp obs oda odb odd ode odi odl odo odp ods oea oeb oed oee oei oel oeo oep oes oia oib oid oie oii oil oio oip ois ola olb old ole oli oll olo olp ols oo- ooa oob ood ooi ool ooo oop oos op- opa opb opd ope opi opl opo opp ops os- osa osb osd ose osi osl oso osp oss p-p paa pab pad pae pai pal pao pap pas pba pbb pbd pbe pbi pbl pbo pbp pbs pda pdb pdd pde pdi pdl pdo pdp pds pea peb ped pee pei pel peo pep pes pia pib pid pie pii pil pio pip pis pla plb pld ple pli pll plo plp pls poa pob pod poe poi pol poo pop pos ppa ppb ppd ppe ppi ppl ppo ppp pps ps- psa psb psd pse psi psl pso psp pss saa sab sad sae sai sal sao sap sas sba sbb sbd sbe sbi sbl sbo sbp sbs sda sdb sdd sde sdi sdl sdo sdp sds se- sea seb sed see sei sel seo sep ses sia sib sid sie sii sil sio sip sis sla slb sld sle sli sll slo slp sls soa sob sod soe soi sol soo sop sos spa spb spd spe spi spl spo spp sps ss- ssa ssb ssd sse ssi ssl sso ssp sss