-al -ol a-a a-b a-i a-t aaa aab aaf aai aal aan aao aap aar aas aat ab- aba abb abf abi abl abn abo abp abr abs abt af- afa afb aff afi afl afn afo afp afr afs aft ai- aia aib aif aii ail ain aio aip air ais ait al- ala alb alf ali all aln alo alp alr als alt an- ana anb anf ani anl ann ano anp anr ans ant aoa aob aof aoi aol aon aoo aop aor aos aot ap- apa apb apf api apl apn apo app apr aps apt ar- ara arb arf ari arl arn aro arp arr ars art as- asa asb asf asi asl asn aso asp asr ass ast at- ata atb atf ati atl atn ato atp atr ats att b-p baa bab baf bai bal ban bao bap bar bas bat bba bbb bbf bbi bbl bbn bbo bbp bbr bbs bbt bfa bfb bff bfi bfl bfn bfo bfp bfr bfs bft bi- bia bib bif bii bil bin bio bip bir bis bit bla blb blf bli bll bln blo blp blr bls blt bna bnb bnf bni bnl bnn bno bnp bnr bns bnt boa bob bof boi bol bon boo bop bor bos bot bpa bpb bpf bpi bpl bpn bpo bpp bpr bps bpt bra brb brf bri brl brn bro brp brr brs brt bsa bsb bsf bsi bsl bsn bso bsp bsr bss bst bta btb btf bti btl btn bto btp btr bts btt faa fab faf fai fal fan fao fap far fas fat fba fbb fbf fbi fbl fbn fbo fbp fbr fbs fbt ffa fff ffi ffl ffn ffo ffp ffr ffs fft fia fib fif fii fil fin fip fir fis fit fla flb flf fli fll fln flo flp flr fls flt fna fnb fnf fni fnl fnn fnp fnr fns fnt foa fob fof foi fol fon foo fop for fos fot fpa fpb fpi fpl fpn fpo fpp fpr fps fpt fra frb frf fri frl frn fro frp frr frs frt fsa fsb fsf fsi fsl fsn fso fsp fsr fss fst fta ftb ftf fti ftl ftn fto ftp ftr fts ftt i-f ia- iaa iab iaf iai ial ian iao iap iar ias iat iba ibb ibf ibi ibl ibn ibo ibp ibr ibs ibt ifa ifb iff ifi ifl ifn ifo ifp ifr ifs ift iia iib iif iii iil iin iio iip iir iis iit il- ila ilb ilf ili ill iln ilo ilp ilr ils ilt in- ina inb inf ini inl inn ino inp inr ins int io- ioa iob iof ioi iol ion ioo iop ior ios iot ipa ipb ipf ipi ipl ipn ipo ipp ipr ips ipt ir- ira irb irf iri irl irn iro irp irr irs irt is- isa isb isf isi isl isn iso isp isr iss ist ita itb itf iti itl itn ito itp its itt l-p la- laa lab laf lai lal lan lao lap lar las lat lba lbb lbf lbi lbl lbo lbp lbr lbs lbt lfa lfb lff lfi lfl lfn lfo lfp lfr lfs lft lia lib lif lii lil lin lio lip lir lis lit lla llb llf lli lll lln llo llp llr lls llt lna lnb lni lnl lnn lno lnp lnr lns lnt loa lob lof loi lol lon loo lop lor los lot lpa lpb lpf lpi lpl lpn lpo lpp lpr lps lpt lra lrb lrf lri lrn lro lrp lrr lrs lrt lsa lsb lsf lsi lsl lsn lso lsp lsr lss lst lta ltb ltf lti ltl lto ltp ltr lts ltt n-i naa nab naf nai nal nan nao nap nar nas nat nba nbb nbf nbi nbl nbn nbo nbp nbr nbs nbt nfa nfb nff nfi nfl nfn nfo nfp nfr nfs nft nia nib nif nii nil nin nio nip nir nis nit nla nlb nlf nli nll nln nlo nlp nlr nls nlt nna nnb nnf nni nnl nnn nno nnp nns nnt no- noa nob nof noi nol non noo nop nor nos not npa npb npf npi npl npn npo npp npr nps npt nra nrb nrf nri nrl nrn nro nrp nrr nrs nrt nsa nsb nsf nsi nsl nsn nso nsp nsr nss nst nta ntb ntf nti ntn nto ntp ntr nts ntt o-i oaa oab oaf oai oal oan oao oap oar oas oat ob- oba obb obf obi obl obn obo obp obr obs obt of- ofa ofb off ofi ofl ofn ofo ofp ofr ofs oft oia oib oif oii oil oin oio oip oir ois oit ola olb olf oli oll oln olo olp ols olt on- ona onb onf oni onl onn ono onp onr ons ont oo- ooa oob oof ooi ool oon ooo oop oor oos oot op- opa opb opf opi opl opn opo opp opr ops opt or- ora orb orf ori orl orn oro orp orr ors ort os- osa osb osf osi osl osn oso osp osr oss ost ot- ota otb otf oti otl otn oto otp otr ots ott p-p paa pab paf pai pal pan pao pap par pas pat pba pbb pbf pbi pbl pbn pbo pbp pbr pbs pbt pfa pfb pff pfi pfl pfn pfo pfp pfr pfs pft pia pib pif pii pil pin pio pip pir pis pit pla plb plf pli pll pln plo plp plr pls plt pn- pna pnb pnf pni pnl pnn pno pnp pnr pns pnt poa pob pof poi pol pon poo pop por pos pot ppa ppb ppf ppi ppl ppn ppo ppp ppr pps ppt pra prb prf pri prl prn pro prp prr prs prt ps- psa psb psf psi psl psn pso psp psr pss pst pt- pta ptb ptf pti ptl ptn pto ptp ptr pts ptt ra- raa rab