-al -ol a-a a-b a-i aaa aab aad aai aal aan aao aap aar aas ab- aba abb abd abi abl abn abo abp abr abs ad- ada adb add adi adl adn ado adp adr ads ai- aia aib aid aii ail ain aio aip air ais al- ala alb ald ali all aln alo alp alr als an- ana anb and ani anl ann ano anp anr ans aoa aob aod aoi aol aon aoo aop aor aos ap- apa apb apd api apl apn apo app apr aps ar- ara arb ard ari arl arn aro arp arr ars as- asa asb asd asi asl asn aso asp asr ass b-p baa bab bad bai bal ban bao bap bar bas bba bbb bbd bbi bbl bbn bbo bbp bbr bbs bda bdb bdd bdi bdl bdo bdp bdr bds bi- bia bib bid bii bil bin bio bip bir bis bla blb bld bli bll bln blo blp blr bls bna bnb bnd bni bnl bnn bno bnp bnr bns boa bob bod boi bol bon boo bop bor bos bpa bpb bpd bpi bpl bpn bpo bpp bpr bps bra brb brd bri brl brn bro brp brr brs bsa bsb bsd bsi bsl bsn bso bsp bsr bss daa dab dad dai dal dan dao dap dar das dba dbb dbd dbi dbl dbn dbo dbp dbr dbs dda ddb ddd ddi ddl ddn ddo ddp ddr dds di- dia dib did dii dil din dio dip dir dis dl- dla dlb dld dli dll dlo dlp dlr dls dna dnb dnd dni dnl dnn dno dnp dnr dns doa dob dod doi dol don doo dop dor dos dpa dpb dpd dpi dpl dpn dpo dpp dpr dps dra drb drd dri drl drn dro drp drr drs dsa dsb dsd dsi dsl dsn dso dsp dsr dss i-d ia- iaa iab iad iai ial ian iao iap iar ias iba ibb ibd ibi ibl ibn ibo ibp ibr ibs ida idb idd idi idl idn ido idp idr ids iia iib iid iii iil iin iio iip iir iis il- ila ilb ild ili ill iln ilo ilp ilr ils in- ina inb ind ini inl inn ino inp inr ins io- ioa iob iod ioi iol ion ioo iop ior ios ipa ipb ipd ipi ipl ipn ipo ipp ipr ips ir- ira irb ird iri irl irn iro irp irr irs is- isa isb isd isi isl isn iso isp isr iss l-p la- laa lab lad lai lal lan lao lap lar las lba lbb lbd lbi lbl lbo lbp lbr lbs lda ldb ldd ldi ldl ldn ldo ldp ldr lds lia lib lid lii lil lin lio lip lir lis lla llb lld lli lll lln llo llp llr lls lna lnb lnd lni lnl lnn lno lnp lnr lns loa lob lod loi lol lon loo lop lor los lpa lpb lpd lpi lpl lpn lpo lpp lpr lps lra lrb lrd lri lrn lro lrp lrr lrs lsa lsb lsd lsi lsl lsn lso lsp lsr lss n-i naa nab nad nai nal nan nao nap nar nas nba nbb nbd nbi nbl nbn nbo nbp nbr nbs nda ndb ndd ndi ndl ndn ndo ndp ndr nds nia nib nid nii nil nin nio nip nir nis nla nlb nld nli nll nln nlo nlp nlr nls nna nnb nni nnl nnn nno nnp nns no- noa nob nod noi nol non noo nop nor nos npa npb npd npi npl npn npo npp npr nps nra nrb nrd nri nrl nrn nro nrp nrr nrs nsa nsb nsd nsi nsl nsn nso nsp nsr nss o-i oaa oab oad oai oal oan oao oap oar oas ob- oba obb obd obi obl obn obo obp obr obs oda odb odd odi odl odn odo odp odr ods oia oib oid oii oil oin oio oip oir ois ola olb old oli oll oln olo olp ols on- ona onb ond oni onl onn ono onp onr ons oo- ooa oob ood ooi ool oon ooo oop oor oos op- opa opb opd opi opl opn opo opp opr ops or- ora orb ord ori orl orn oro orp orr ors os- osa osb osd osi osl osn oso osp osr oss p-p paa pab pad pai pal pan pao pap par pas pba pbb pbd pbi pbl pbn pbo pbp pbr pbs pda pdb pdd pdi pdl pdn pdo pdp pdr pds pia pib pid pii pil pin pio pip pir pis pla plb pld pli pll pln plo plp plr pls pn- pna pnb pnd pni pnl pnn pno pnp pnr pns poa pob pod poi pol pon poo pop por pos ppa ppb ppd ppi ppl ppn ppo ppp ppr pps pra prb prd pri prl prn pro prp prr prs ps- psa psb psd psi psl psn pso psp psr pss ra- raa rab rad rai ral ran rao rap rar ras rba rbb rbd rbi rbl rbn rbo rbp rbr rbs rda rdb rdd rdi rdl rdn rdo rdp rdr rds ria rib rid rii ril rin rio rip rir ris rla rld rli rll rln rlo rlp rlr rls rna rnb rnd rni rnn rno rnp rnr rns roa rob rod roi rol ron roo rop ror ros rpa rpb rpd rpi rpl rpn rpo rpp rpr rps rra rrb rrd rri rrl rrn rrp rrr rrs rsa rsb rsd rsi rsl rsn rso rsp rsr rss saa sab sad sai sal san sao sap sar sas sba sbb sbd sbi sbl sbn sbo sbp sbr sbs sda sdb sdd sdi sdl sdn sdo sdp sdr sds sia sib sid sii sil sin sio sip sir sis sla slb sld sli sll sln slo slp slr sls sna snb snd sni snl snn sno snp snr sns soa sob sod soi sol son soo sop sor sos spa