-al -ol a-a aaa aaf aal aan aao aar aas af- afa aff afl afn afo afr afs al- ala alf all aln alo alr als an- ana anf anl ann ano anr ans aoa aof aol aon aoo aor aos ar- ara arf arl arn aro arr ars as- asa asf asl asn aso asr ass faa faf fal fan fao far fas ffa fff ffl ffn ffo ffr ffs fla flf fll fln flo flr fls fna fnf fnl fnn fnr fns foa fof fol fon foo for fos fra frf frl frn fro frr frs fsa fsf fsl fsn fso fsr fss la- laa laf lal lan lao lar las lfa lff lfl lfn lfo lfr lfs lla llf lll lln llo llr lls lna lnl lnn lno lnr lns loa lof lol lon loo lor los lra lrf lrn lro lrr lrs lsa lsf lsl lsn lso lsr lss naa naf nal nan nao nar nas nfa nff nfl nfn nfo nfr nfs nla nlf nll nln nlo nlr nls nna nnf nnl nnn nno nns no- noa nof nol non noo nor nos nra nrf nrl nrn nro nrr nrs nsa nsf nsl nsn nso nsr nss oaa oaf oal oan oao oar oas of- ofa off ofl ofn ofo ofr ofs ola olf oll oln olo ols on- ona onf onl onn ono onr ons oo- ooa oof ool oon ooo oor oos or- ora orf orl orn oro orr ors os- osa osf osl osn oso osr oss ra- raa raf ral ran rao rar ras rfa rff rfl rfn rfo rfr rfs rla rlf rll rln rlo rlr rls rna rnn rno rnr rns roa rof rol ron roo ror ros rra rrf rrl rrn rrr rrs rsa rsf rsl rsn rso rsr rss saa saf sal san sao sar sas sfa sff sfl sfn sfo sfr sfs sla slf sll sln slo slr sls sna snf snl snn sno snr sns soa sof sol son soo sor sos sr- sra srf srl srn sro srr srs ss- ssa ssf ssl ssn sso ssr sss