-al -ol a-a aaa aaf aak aal aan aao aar aas aau af- afa aff afk afl afn afo afr afs afu aka akk akl akn ako akr aks aku al- ala alf alk all aln alo alr als alu an- ana anf ank anl ann ano anr ans anu aoa aof aok aol aon aoo aor aos aou ar- ara arf ark arl arn aro arr ars aru as- asa asf ask asl asn aso asr ass asu au- aua auf auk aul aun auo aur aus faa faf fak fal fan fao far fas fau ffa fff ffk ffl ffn ffo ffr ffs ffu fka fkf fkk fkl fla flf fll fln flo flr fls flu fna fnf fnk fnl fnn fnr fns fnu foa fof fok fol fon foo for fos fou fra frf frk frl frn fro frr frs fru fsa fsf fsk fsl fsn fso fsr fss fsu fua fuf fuk ful fun fuo fur fus fuu ka- kaa kaf kak kal kan kao kar kas kau kfa kff kfo kfs kfu kkk kkl kkn kkr kks kku kl- kla klf klo klr kls klu kn- kna knf knk knl knn kno knr knu koa kof kok kol kon koo kor kos kou kra krf krk krl krn kro krr krs kru ksa ksf ksk ksl ksn kso ksr kss ksu kuk kul kun kur kus kuu la- laa laf lak lal lan lao lar las lau lfa lff lfk lfl lfn lfo lfr lfs lfu lka lkl lkr lks lla llf llk lll lln llo llr lls llu lna lnk lnl lnn lno lnr lns lnu loa lof lok lol lon loo lor los lou lra lrf lrk lrn lro lrr lrs lru lsa lsf lsk lsl lsn lso lsr lss lsu lua luf luk lul lun luo lur lus luu naa naf nak nal nan nao nar nas nau nfa nff nfk nfl nfn nfo nfr nfs nfu nka nkf nkk nkn nko nkr nks nku nla nlf nlk nll nln nlo nlr nls nlu nna nnf nnk nnl nnn nno nns nnu no- noa nof nok nol non noo nor nos nou nra nrf nrk nrl nrn nro nrr nrs nru nsa nsf nsk nsl nsn nso nsr nss nsu nua nuk nul nun nuo nur nus nuu oaa oaf oak oal oan oao oar oas oau of- ofa off ofl ofn ofo ofr ofs ofu oka okk okl oko okr oks oku ola olf olk oll oln olo ols olu on- ona onf onk onl onn ono onr ons onu oo- ooa oof ook ool oon ooo oor oos or- ora orf ork orl orn oro orr ors oru os- osa osf osk osl osn oso osr oss osu ou- oua ouf ouk oul oun ouo our ous ra- raa raf rak ral ran rao rar ras rau rfa rff rfk rfl rfn rfo rfr rfs rfu rkf rkk rko rks rku rla rlf rll rln rlo rlr rls rlu rna rnn rno rnr rns rnu roa rof rok rol ron roo ror ros rou rra rrf rrk rrl rrn rrr rrs rru rsa rsf rsk rsl rsn rso rsr rss rsu rua ruf ruk run ruo rur rus ruu saa saf sak sal san sao sar sas sau sfa sff sfk sfl sfn sfo sfr sfs sfu sk- ska skf skk skl sko skr sks sku sla slf slk sll sln slo slr sls slu sna snf snk snl snn sno snr sns snu soa sof sok sol son soo sor sos sou sr- sra srf srk srl srn sro srr srs ss- ssa ssf ssk ssl ssn sso ssr sss ssu sua suf suk sul sun suo sur sus suu ua- uaa uaf uak ual uan uao uar uas uau ufa uff ufl ufn ufo ufr ufs ufu uka ukf ukk ukl ukn ukr uku ula ulf ulk ull uln ulo ulr uls ulu un- una unf unk unl unn uno unr uns unu uoa uok uol uon uoo uor uos ur- ura urf urk url urn uro urr urs uru usa usf usk usl usn uso usr uss usu uua uun uur uus uuu