-al -er -ol a-a a-b aaa aab aae aaf aal aan aao aar aas aau ab- aba abb abe abf abl abn abo abr abs abu aea aeb aee aef ael aen aeo aer aes aeu af- afa afb afe aff afl afn afo afr afs afu al- ala alb ale alf all aln alo alr als alu an- ana anb ane anf anl ann ano anr ans anu aoa aob aoe aof aol aon aoo aor aos aou ar- ara arb are arf arl arn aro arr ars aru as- asa asb ase asf asl asn aso asr ass asu au- aua aub aue auf aul aun auo aur aus b-u baa bab bae baf bal ban bao bar bas bau bba bbb bbe bbf bbl bbn bbo bbr bbs bbu be- bea beb bee bef bel ben beo ber bes beu bfa bfb bfe bff bfl bfn bfo bfr bfs bfu bla blb ble blf bll bln blo blr bls blu bna bnb bne bnf bnl bnn bno bnr bns bnu boa bob boe bof bol bon boo bor bos bou bra brb bre brf brl brn bro brr brs bru bsa bsb bse bsf bsl bsn bso bsr bss bsu bua bub bue buf bul bun buo bur bus buu eaa eab eae eaf eal ean eao ear eas eau eba ebb ebe ebf ebl ebn ebo ebr ebs ebu eea eeb eee eef eel een eeo eer ees ef- efa efb efe eff efl efo efr efs ela elb ele elf ell eln elo elr els elu en- ena enb ene enf enl enn eno enr ens enu eo- eoa eob eoe eof eol eon eoo eor eos eou era erb ere erf erl ern ero err ers eru es- esa esb ese esf esl esn eso esr ess esu eu- eua eub eue euf eul eun eur eus faa fab fae faf fal fan fao far fas fau fba fbb fbe fbf fbl fbn fbo fbr fbs fbu fea feb fee fef fel fen feo fer fes feu ffa ffe fff ffl ffn ffo ffr ffs ffu fla flb fle flf fll fln flo flr fls flu fna fnb fne fnf fnl fnn fnr fns fnu foa fob foe fof fol fon foo for fos fou fra frb fre frf frl frn fro frr frs fru fsa fsb fse fsf fsl fsn fso fsr fss fsu fua fub fue fuf ful fun fuo fur fus fuu la- laa lab lae laf lal lan lao lar las lau lba lbb lbe lbf lbl lbo lbr lbs lbu lea leb lee lef lel len leo ler les leu lfa lfb lfe lff lfl lfn lfo lfr lfs lfu lla llb lle llf lll lln llo llr lls llu lna lnb lne lnl lnn lno lnr lns lnu loa lob loe lof lol lon loo lor los lou lra lrb lrf lrn lro lrr lrs lru lsa lsb lse lsf lsl lsn lso lsr lss lsu lua lub lue luf lul lun luo lur lus luu naa nab nae naf nal nan nao nar nas nau nba nbb nbe nbf nbl nbn nbo nbr nbs nbu ne- nea neb nee nef nel nen neo ner nes neu nfa nfb nfe nff nfl nfn nfo nfr nfs nfu nla nlb nle nlf nll nln nlo nlr nls nlu nna nnb nne nnf nnl nnn nno nns nnu no- noa nob noe nof nol non noo nor nos nou nra nrb nre nrf nrl nrn nro nrr nrs nru nsa nsb nse nsf nsl nsn nso nsr nss nsu nua nub nue nul nun nuo nur nus nuu oaa oab oae oaf oal oan oao oar oas oau ob- oba obb obe obf obl obn obo obr obs obu oea oeb oee oef oel oen oeo oer oes of- ofa ofb ofe off ofl ofn ofo ofr ofs ofu ola olb ole olf oll oln olo ols olu on- ona onb one onf onl onn ono onr ons onu oo- ooa oob oof ool oon ooo oor oos or- ora orb ore orf orl orn oro orr ors oru os- osa osb ose osf osl osn oso osr oss osu ou- oua oue ouf oul oun ouo our ous ra- raa rab rae raf ral ran rao rar ras rau rba rbb rbe rbf rbl rbn rbo rbr rbs rbu re- rea reb ree ref rel ren reo rer res reu rfa rfb rfe rff rfl rfn rfo rfr rfs rfu rla rle rlf rll rln rlo rlr rls rlu rna rnb rnn rno rnr rns rnu roa rob roe rof rol ron roo ror ros rou rra rrb rrf rrl rrn rrr rrs rru rsa rsb rse rsf rsl rsn rso rsr rss rsu rua rub rue ruf run ruo rur rus ruu saa sab sae saf sal san sao sar sas sau sba sbb sbe sbf sbl sbn sbo sbr sbs sbu se- sea seb see sef sel sen seo ser ses seu sfa sfb sfe sff sfl sfn sfo sfr sfs sfu sla slb sle slf sll sln slo slr sls slu sna snb sne snf snl snn sno snr sns snu soa sob soe sof sol son soo sor sos sou sr- sra srb sre srf srl srn sro srr srs ss- ssa ssb sse ssf ssl ssn sso ssr sss ssu sua sub sue suf sul sun suo sur sus suu ua- uaa uab uae uaf ual uan uao uar uas uau uba ubb ube ubf ubl ubn ubo ubr ubs ubu uea ueb uee uef uel uen uer ues ufa ufe uff ufl ufn ufo ufr ufs ufu ula ulb ule ulf ull uln ulo ulr uls ulu un- una unb une unf unl unn uno unr uns unu uoa uob uoe uol uon uoo uor uos ur- ura urb ure urf url urn uro urr urs uru usa usb use usf usl usn uso usr uss usu uua uue uun uur uus uuu