-al -ol a-a a-b a-t aaa aab aad aal aan aao aap aar aas aat ab- aba abb abd abl abn abo abp abr abs abt ad- ada adb add adl adn ado adp adr ads adt al- ala alb ald all aln alo alp alr als alt an- ana anb and anl ann ano anp anr ans ant aoa aob aod aol aon aoo aop aor aos aot ap- apa apb apd apl apn apo app apr aps apt ar- ara arb ard arl arn aro arp arr ars art as- asa asb asd asl asn aso asp asr ass ast at- ata atb atd atl atn ato atp atr ats att b-p baa bab bad bal ban bao bap bar bas bat bba bbb bbd bbl bbn bbo bbp bbr bbs bbt bda bdb bdd bdl bdo bdp bdr bds bdt bla blb bld bll bln blo blp blr bls blt bna bnb bnd bnl bnn bno bnp bnr bns bnt boa bob bod bol bon boo bop bor bos bot bpa bpb bpd bpl bpn bpo bpp bpr bps bpt bra brb brd brl brn bro brp brr brs brt bsa bsb bsd bsl bsn bso bsp bsr bss bst bta btb btd btl btn bto btp btr bts btt daa dab dad dal dan dao dap dar das dat dba dbb dbd dbl dbn dbo dbp dbr dbs dbt dda ddb ddd ddl ddn ddo ddp ddr dds ddt dl- dla dlb dld dll dlo dlp dlr dls dlt dna dnb dnd dnl dnn dno dnp dnr dns dnt doa dob dod dol don doo dop dor dos dot dpa dpb dpd dpl dpn dpo dpp dpr dps dpt dra drb drd drl drn dro drp drr drs drt dsa dsb dsd dsl dsn dso dsp dsr dss dst dta dtb dtd dtl dtn dto dtp dtr dts dtt l-p la- laa lab lad lal lan lao lap lar las lat lba lbb lbd lbl lbo lbp lbr lbs lbt lda ldb ldd ldl ldn ldo ldp ldr lds ldt lla llb lld lll lln llo llp llr lls llt lna lnb lnd lnl lnn lno lnp lnr lns lnt loa lob lod lol lon loo lop lor los lot lpa lpb lpd lpl lpn lpo lpp lpr lps lpt lra lrb lrd lrn lro lrp lrr lrs lrt lsa lsb lsd lsl lsn lso lsp lsr lss lst lta ltb ltd ltl lto ltp ltr lts ltt naa nab nad nal nan nao nap nar nas nat nba nbb nbd nbl nbn nbo nbp nbr nbs nbt nda ndb ndd ndl ndn ndo ndp ndr nds ndt nla nlb nld nll nln nlo nlp nlr nls nlt nna nnb nnl nnn nno nnp nns nnt no- noa nob nod nol non noo nop nor nos not npa npb npd npl npn npo npp npr nps npt nra nrb nrd nrl nrn nro nrp nrr nrs nrt nsa nsb nsd nsl nsn nso nsp nsr nss nst nta ntb ntd ntn nto ntp ntr nts ntt oaa oab oad oal oan oao oap oar oas oat ob- oba obb obd obl obn obo obp obr obs obt oda odb odd odl odn odo odp odr ods odt ola olb old oll oln olo olp ols olt on- ona onb ond onl onn ono onp onr ons ont oo- ooa oob ood ool oon ooo oop oor oos oot op- opa opb opd opl opn opo opp opr ops opt or- ora orb ord orl orn oro orp orr ors ort os- osa osb osd osl osn oso osp osr oss ost ot- ota otb otd otl otn oto otp otr ots ott p-p paa pab pad pal pan pao pap par pas pat pba pbb pbd pbl pbn pbo pbp pbr pbs pbt pda pdb pdd pdl pdn pdo pdp pdr pds pdt pla plb pld pll pln plo plp plr pls plt pn- pna pnb pnd pnl pnn pno pnp pnr pns pnt poa pob pod pol pon poo pop por pos pot ppa ppb ppd ppl ppn ppo ppp ppr pps ppt pra prb prd prl prn pro prp prr prs prt ps- psa psb psd psl psn pso psp psr pss pst pt- pta ptb ptd ptl ptn pto ptp ptr pts ptt ra- raa rab rad ral ran rao rap rar ras rat rba rbb rbd rbl rbn rbo rbp rbr rbs rbt rda rdb rdd rdl rdn rdo rdp rdr rds rdt rla rld rll rln rlo rlp rlr rls rlt rna rnb rnd rnn rno rnp rnr rns rnt roa rob rod rol ron roo rop ror ros rot rpa rpb rpd rpl rpn rpo rpp rpr rps rpt rra rrb rrd rrl rrn rrp rrr rrs rrt rsa rsb rsd rsl rsn rso rsp rsr rss rst rta rtb rtd rtl rtn rto rtp rtr rts rtt saa sab sad sal san sao sap sar sas sat sba sbb sbd sbl sbn sbo sbp sbr sbs sbt sda sdb sdd sdl sdn sdo sdp sdr sds sdt sla slb sld sll sln slo slp slr sls slt sna snb snd snl snn sno snp snr sns snt soa sob sod sol son soo sop sor sos sot spa spb spd spl spn spo spp spr sps spt sr- sra srb srd srl srn sro srp srr srs srt ss- ssa ssb ssd ssl ssn sso ssp ssr sss sst sta stb std stl stn sto stp str sts stt taa tab tad tal tan tao tap tar tas tat tba tbb tbd tbl tbn tbo tbp tbr tbs tbt tda tdb tdd tdl tdn tdo tdp tdr tds tdt tla tld tll tln tlo tlp tlr tls tlt tna tnb tnd tnl tnn tno tnp tnr tns tnt to- toa tob tod tol ton too top tor tos tot tpa tpb tpd tpl tpn tpo tpp tpr tps tpt tra trb trd trl trn tro trp trr trs trt