-al -ol a-a a-b a-i aaa aab aad aai aal aan aao aap aas ab- aba abb abd abi abl abn abo abp abs ad- ada adb add adi adl adn ado adp ads ai- aia aib aid aii ail ain aio aip ais al- ala alb ald ali all aln alo alp als an- ana anb and ani anl ann ano anp ans aoa aob aod aoi aol aon aoo aop aos ap- apa apb apd api apl apn apo app aps as- asa asb asd asi asl asn aso asp ass b-p baa bab bad bai bal ban bao bap bas bba bbb bbd bbi bbl bbn bbo bbp bbs bda bdb bdd bdi bdl bdo bdp bds bi- bia bib bid bii bil bin bio bip bis bla blb bld bli bll bln blo blp bls bna bnb bnd bni bnl bnn bno bnp bns boa bob bod boi bol bon boo bop bos bpa bpb bpd bpi bpl bpn bpo bpp bps bsa bsb bsd bsi bsl bsn bso bsp bss daa dab dad dai dal dan dao dap das dba dbb dbd dbi dbl dbn dbo dbp dbs dda ddb ddd ddi ddl ddn ddo ddp dds di- dia dib did dii dil din dio dip dis dl- dla dlb dld dli dll dlo dlp dls dna dnb dnd dni dnl dnn dno dnp dns doa dob dod doi dol don doo dop dos dpa dpb dpd dpi dpl dpn dpo dpp dps dsa dsb dsd dsi dsl dsn dso dsp dss i-d ia- iaa iab iad iai ial ian iao iap ias iba ibb ibd ibi ibl ibn ibo ibp ibs ida idb idd idi idl idn ido idp ids iia iib iid iii iil iin iio iip iis il- ila ilb ild ili ill iln ilo ilp ils in- ina inb ind ini inl inn ino inp ins io- ioa iob iod ioi iol ion ioo iop ios ipa ipb ipd ipi ipl ipn ipo ipp ips is- isa isb isd isi isl isn iso isp iss l-p la- laa lab lad lai lal lan lao lap las lba lbb lbd lbi lbl lbo lbp lbs lda ldb ldd ldi ldl ldn ldo ldp lds lia lib lid lii lil lin lio lip lis lla llb lld lli lll lln llo llp lls lna lnb lnd lni lnl lnn lno lnp lns loa lob lod loi lol lon loo lop los lpa lpb lpd lpi lpl lpn lpo lpp lps lsa lsb lsd lsi lsl lsn lso lsp lss n-i naa nab nad nai nal nan nao nap nas nba nbb nbd nbi nbl nbn nbo nbp nbs nda ndb ndd ndi ndl ndn ndo ndp nds nia nib nid nii nil nin nio nip nis nla nlb nld nli nll nln nlo nlp nls nna nnb nni nnl nnn nno nnp nns no- noa nob nod noi nol non noo nop nos npa npb npd npi npl npn npo npp nps nsa nsb nsd nsi nsl nsn nso nsp nss o-i oaa oab oad oai oal oan oao oap oas ob- oba obb obd obi obl obn obo obp obs oda odb odd odi odl odn odo odp ods oia oib oid oii oil oin oio oip ois ola olb old oli oll oln olo olp ols on- ona onb ond oni onl onn ono onp ons oo- ooa oob ood ooi ool oon ooo oop oos op- opa opb opd opi opl opn opo opp ops os- osa osb osd osi osl osn oso osp oss p-p paa pab pad pai pal pan pao pap pas pba pbb pbd pbi pbl pbn pbo pbp pbs pda pdb pdd pdi pdl pdn pdo pdp pds pia pib pid pii pil pin pio pip pis pla plb pld pli pll pln plo plp pls pn- pna pnb pnd pni pnl pnn pno pnp pns poa pob pod poi pol pon poo pop pos ppa ppb ppd ppi ppl ppn ppo ppp pps ps- psa psb psd psi psl psn pso psp pss saa sab sad sai sal san sao sap sas sba sbb sbd sbi sbl sbn sbo sbp sbs sda sdb sdd sdi sdl sdn sdo sdp sds sia sib sid sii sil sin sio sip sis sla slb sld sli sll sln slo slp sls sna snb snd sni snl snn sno snp sns soa sob sod soi sol son soo sop sos spa spb spd spi spl spn spo spp sps ss- ssa ssb ssd ssi ssl ssn sso ssp sss