-al -ol a-a a-b aaa aab aad aal aan aao aap aas ab- aba abb abd abl abn abo abp abs ad- ada adb add adl adn ado adp ads al- ala alb ald all aln alo alp als an- ana anb and anl ann ano anp ans aoa aob aod aol aon aoo aop aos ap- apa apb apd apl apn apo app aps as- asa asb asd asl asn aso asp ass b-p baa bab bad bal ban bao bap bas bba bbb bbd bbl bbn bbo bbp bbs bda bdb bdd bdl bdo bdp bds bla blb bld bll bln blo blp bls bna bnb bnd bnl bnn bno bnp bns boa bob bod bol bon boo bop bos bpa bpb bpd bpl bpn bpo bpp bps bsa bsb bsd bsl bsn bso bsp bss daa dab dad dal dan dao dap das dba dbb dbd dbl dbn dbo dbp dbs dda ddb ddd ddl ddn ddo ddp dds dl- dla dlb dld dll dlo dlp dls dna dnb dnd dnl dnn dno dnp dns doa dob dod dol don doo dop dos dpa dpb dpd dpl dpn dpo dpp dps dsa dsb dsd dsl dsn dso dsp dss l-p la- laa lab lad lal lan lao lap las lba lbb lbd lbl lbo lbp lbs lda ldb ldd ldl ldn ldo ldp lds lla llb lld lll lln llo llp lls lna lnb lnd lnl lnn lno lnp lns loa lob lod lol lon loo lop los lpa lpb lpd lpl lpn lpo lpp lps lsa lsb lsd lsl lsn lso lsp lss naa nab nad nal nan nao nap nas nba nbb nbd nbl nbn nbo nbp nbs nda ndb ndd ndl ndn ndo ndp nds nla nlb nld nll nln nlo nlp nls nna nnb nnl nnn nno nnp nns no- noa nob nod nol non noo nop nos npa npb npd npl npn npo npp nps nsa nsb nsd nsl nsn nso nsp nss oaa oab oad oal oan oao oap oas ob- oba obb obd obl obn obo obp obs oda odb odd odl odn odo odp ods ola olb old oll oln olo olp ols on- ona onb ond onl onn ono onp ons oo- ooa oob ood ool oon ooo oop oos op- opa opb opd opl opn opo opp ops os- osa osb osd osl osn oso osp oss p-p paa pab pad pal pan pao pap pas pba pbb pbd pbl pbn pbo pbp pbs pda pdb pdd pdl pdn pdo pdp pds pla plb pld pll pln plo plp pls pn- pna pnb pnd pnl pnn pno pnp pns poa pob pod pol pon poo pop pos ppa ppb ppd ppl ppn ppo ppp pps ps- psa psb psd psl psn pso psp pss saa sab sad sal san sao sap sas sba sbb sbd sbl sbn sbo sbp sbs sda sdb sdd sdl sdn sdo sdp sds sla slb sld sll sln slo slp sls sna snb snd snl snn sno snp sns soa sob sod sol son soo sop sos spa spb spd spl spn spo spp sps ss- ssa ssb ssd ssl ssn sso ssp sss