-al -ol a-a a-b a-i a-t aaa aab aaf aai aal aan aao aar aas aat aau ab- aba abb abf abi abl abn abo abr abs abt abu af- afa afb aff afi afl afn afo afr afs aft afu ai- aia aib aif aii ail ain aio air ais ait aiu al- ala alb alf ali all aln alo alr als alt alu an- ana anb anf ani anl ann ano anr ans ant anu aoa aob aof aoi aol aon aoo aor aos aot aou ar- ara arb arf ari arl arn aro arr ars art aru as- asa asb asf asi asl asn aso asr ass ast asu at- ata atb atf ati atl atn ato atr ats att atu au- aua aub auf aui aul aun auo aur aus aut b-u baa bab baf bai bal ban bao bar bas bat bau bba bbb bbf bbi bbl bbn bbo bbr bbs bbt bbu bfa bfb bff bfi bfl bfn bfo bfr bfs bft bfu bi- bia bib bif bii bil bin bio bir bis bit biu bla blb blf bli bll bln blo blr bls blt blu bna bnb bnf bni bnl bnn bno bnr bns bnt bnu boa bob bof boi bol bon boo bor bos bot bou bra brb brf bri brl brn bro brr brs brt bru bsa bsb bsf bsi bsl bsn bso bsr bss bst bsu bta btb btf bti btl btn bto btr bts btt btu bua bub buf bui bul bun buo bur bus but buu faa fab faf fai fal fan fao far fas fat fau fba fbb fbf fbi fbl fbn fbo fbr fbs fbt fbu ffa fff ffi ffl ffn ffo ffr ffs fft ffu fia fib fif fii fil fin fir fis fit fiu fla flb flf fli fll fln flo flr fls flt flu fna fnb fnf fni fnl fnn fnr fns fnt fnu foa fob fof foi fol fon foo for fos fot fou fra frb frf fri frl frn fro frr frs frt fru fsa fsb fsf fsi fsl fsn fso fsr fss fst fsu fta ftb ftf fti ftl ftn fto ftr fts ftt ftu fua fub fuf fui ful fun fuo fur fus fut fuu i-f ia- iaa iab iaf iai ial ian iao iar ias iat iau iba ibb ibf ibi ibl ibn ibo ibr ibs ibt ibu ifa ifb iff ifi ifl ifn ifo ifr ifs ift ifu iia iib iif iii iil iin iio iir iis iit iiu il- ila ilb ilf ili ill iln ilo ilr ils ilt ilu in- ina inb inf ini inl inn ino inr ins int inu io- ioa iob iof ioi iol ion ioo ior ios iot iou ir- ira irb irf iri irl irn iro irr irs irt iru is- isa isb isf isi isl isn iso isr iss ist isu ita itb itf iti itl itn ito its itt itu iu- iua iub iui iur ius iut la- laa lab laf lai lal lan lao lar las lat lau lba lbb lbf lbi lbl lbo lbr lbs lbt lbu lfa lfb lff lfi lfl lfn lfo lfr lfs lft lfu lia lib lif lii lil lin lio lir lis lit liu lla llb llf lli lll lln llo llr lls llt llu lna lnb lni lnl lnn lno lnr lns lnt lnu loa lob lof loi lol lon loo lor los lot lou lra lrb lrf lri lrn lro lrr lrs lrt lru lsa lsb lsf lsi lsl lsn lso lsr lss lst lsu lta ltb ltf lti ltl lto ltr lts ltt ltu lua lub luf lui lul lun luo lur lus lut luu n-i naa nab naf nai nal nan nao nar nas nat nau nba nbb nbf nbi nbl nbn nbo nbr nbs nbt nbu nfa nfb nff nfi nfl nfn nfo nfr nfs nft nfu nia nib nif nii nil nin nio nir nis nit niu nla nlb nlf nli nll nln nlo nlr nls nlt nlu nna nnb nnf nni nnl nnn nno nns nnt nnu no- noa nob nof noi nol non noo nor nos not nou nra nrb nrf nri nrl nrn nro nrr nrs nrt nru nsa nsb nsf nsi nsl nsn nso nsr nss nst nsu nta ntb ntf nti ntn nto ntr nts ntt ntu nua nub nui nul nun nuo nur nus nut nuu o-i oaa oab oaf oai oal oan oao oar oas oat oau ob- oba obb obf obi obl obn obo obr obs obt obu of- ofa ofb off ofi ofl ofn ofo ofr ofs oft ofu oia oib oif oii oil oin oio oir ois oit oiu ola olb olf oli oll oln olo ols olt olu on- ona onb onf oni onl onn ono onr ons ont onu oo- ooa oob oof ooi ool oon ooo oor oos oot or- ora orb orf ori orl orn oro orr ors ort oru os- osa osb osf osi osl osn oso osr oss ost osu ot- ota otb otf oti otl otn oto otr ots ott otu ou- oua ouf oui oul oun ouo our ous out ra- raa rab raf rai ral ran rao rar ras rat rau rba rbb rbf rbi rbl rbn rbo rbr rbs rbt rbu rfa rfb rff rfi rfl rfn rfo rfr rfs rft rfu ria rib rif rii ril rin rio rir ris rit rla rlf rli rll rln rlo rlr rls rlt rlu rna rnb rni rnn rno rnr rns rnt rnu roa rob rof roi rol ron roo ror ros rot rou rra rrb rrf rri rrl rrn rrr rrs rrt rru rsa rsb rsf rsi rsl rsn rso rsr rss rst rsu rta rtb rtf rti rtl rtn rto rtr rts rtt rtu rua rub ruf rui run ruo rur rus rut ruu saa sab saf sai sal san sao sar sas sat sau sba sbb sbf sbi sbl sbn sbo sbr sbs sbt