-al -ol a-a a-b a-i a-t aaa aab aai aal aan aao aap aar aas aat ab- aba abb abi abl abn abo abp abr abs abt ai- aia aib aii ail ain aio aip air ais ait al- ala alb ali all aln alo alp alr als alt an- ana anb ani anl ann ano anp anr ans ant aoa aob aoi aol aon aoo aop aor aos aot ap- apa apb api apl apn apo app apr aps apt ar- ara arb ari arl arn aro arp arr ars art as- asa asb asi asl asn aso asp asr ass ast at- ata atb ati atl atn ato atp atr ats att b-p baa bab bai bal ban bao bap bar bas bat bba bbb bbi bbl bbn bbo bbp bbr bbs bbt bi- bia bib bii bil bin bio bip bir bis bit bla blb bli bll bln blo blp blr bls blt bna bnb bni bnl bnn bno bnp bnr bns bnt boa bob boi bol bon boo bop bor bos bot bpa bpb bpi bpl bpn bpo bpp bpr bps bpt bra brb bri brl brn bro brp brr brs brt bsa bsb bsi bsl bsn bso bsp bsr bss bst bta btb bti btl btn bto btp btr bts btt ia- iaa iab iai ial ian iao iap iar ias iat iba ibb ibi ibl ibn ibo ibp ibr ibs ibt iia iib iii iil iin iio iip iir iis iit il- ila ilb ili ill iln ilo ilp ilr ils ilt in- ina inb ini inl inn ino inp inr ins int io- ioa iob ioi iol ion ioo iop ior ios iot ipa ipb ipi ipl ipn ipo ipp ipr ips ipt ir- ira irb iri irl irn iro irp irr irs irt is- isa isb isi isl isn iso isp isr iss ist ita itb iti itl itn ito itp its itt l-p la- laa lab lai lal lan lao lap lar las lat lba lbb lbi lbl lbo lbp lbr lbs lbt lia lib lii lil lin lio lip lir lis lit lla llb lli lll lln llo llp llr lls llt lna lnb lni lnl lnn lno lnp lnr lns lnt loa lob loi lol lon loo lop lor los lot lpa lpb lpi lpl lpn lpo lpp lpr lps lpt lra lrb lri lrn lro lrp lrr lrs lrt lsa lsb lsi lsl lsn lso lsp lsr lss lst lta ltb lti ltl lto ltp ltr lts ltt n-i naa nab nai nal nan nao nap nar nas nat nba nbb nbi nbl nbn nbo nbp nbr nbs nbt nia nib nii nil nin nio nip nir nis nit nla nlb nli nll nln nlo nlp nlr nls nlt nna nnb nni nnl nnn nno nnp nns nnt no- noa nob noi nol non noo nop nor nos not npa npb npi npl npn npo npp npr nps npt nra nrb nri nrl nrn nro nrp nrr nrs nrt nsa nsb nsi nsl nsn nso nsp nsr nss nst nta ntb nti ntn nto ntp ntr nts ntt o-i oaa oab oai oal oan oao oap oar oas oat ob- oba obb obi obl obn obo obp obr obs obt oia oib oii oil oin oio oip oir ois oit ola olb oli oll oln olo olp ols olt on- ona onb oni onl onn ono onp onr ons ont oo- ooa oob ooi ool oon ooo oop oor oos oot op- opa opb opi opl opn opo opp opr ops opt or- ora orb ori orl orn oro orp orr ors ort os- osa osb osi osl osn oso osp osr oss ost ot- ota otb oti otl otn oto otp otr ots ott p-p paa pab pai pal pan pao pap par pas pat pba pbb pbi pbl pbn pbo pbp pbr pbs pbt pia pib pii pil pin pio pip pir pis pit pla plb pli pll pln plo plp plr pls plt pn- pna pnb pni pnl pnn pno pnp pnr pns pnt poa pob poi pol pon poo pop por pos pot ppa ppb ppi ppl ppn ppo ppp ppr pps ppt pra prb pri prl prn pro prp prr prs prt ps- psa psb psi psl psn pso psp psr pss pst pt- pta ptb pti ptl ptn pto ptp ptr pts ptt ra- raa rab rai ral ran rao rap rar ras rat rba rbb rbi rbl rbn rbo rbp rbr rbs rbt ria rib rii ril rin rio rip rir ris rit rla rli rll rln rlo rlp rlr rls rlt rna rnb rni rnn rno rnp rnr rns rnt roa rob roi rol ron roo rop ror ros rot rpa rpb rpi rpl rpn rpo rpp rpr rps rpt rra rrb rri rrl rrn rrp rrr rrs rrt rsa rsb rsi rsl rsn rso rsp rsr rss rst rta rtb rti rtl rtn rto rtp rtr rts rtt saa sab sai sal san sao sap sar sas sat sba sbb sbi sbl sbn sbo sbp sbr sbs sbt sia sib sii sil sin sio sip sir sis sit sla slb sli sll sln slo slp slr sls slt sna snb sni snl snn sno snp snr sns snt soa sob soi sol son soo sop sor sos sot spa spb spi spl spn spo spp spr sps spt sr- sra srb sri srl srn sro srp srr srs srt ss- ssa ssb ssi ssl ssn sso ssp ssr sss sst sta stb sti stl stn sto stp str sts stt taa tab tai tal tan tao tap tar tas tat tba tbb tbi tbl tbn tbo tbp tbr tbs tbt tia tib tii til tin tio tip tir tis tit tla tli tll tln tlo tlp tlr tls tlt tna tnb tni tnl tnn tno tnp tnr tns tnt to- toa tob toi tol ton too top tor tos tot tpa tpb tpi tpl tpn tpo tpp tpr tps