a-a a-i aaa aaf aai aak aam aan aao aar aas af- afa aff afi afk afm afn afo afr afs ai- aia aif aii aik aim ain aio air ais aka aki akk akm akn ako akr aks ama amf ami amk amm amn amo amr ams an- ana anf ani ank anm ann ano anr ans aoa aof aoi aok aom aon aoo aor aos ar- ara arf ari ark arm arn aro arr ars as- asa asf asi ask asm asn aso asr ass faa faf fai fak fam fan fao far fas ffa fff ffi ffk ffm ffn ffo ffr ffs fia fif fii fik fim fin fir fis fka fkf fki fkk fkm fma fmf fmi fmm fmn fmo fmr fms fna fnf fni fnk fnm fnn fnr fns foa fof foi fok fom fon foo for fos fra frf fri frk frm frn fro frr frs fsa fsf fsi fsk fsm fsn fso fsr fss i-f ia- iaa iaf iai iam ian iao iar ias ifa iff ifi ifm ifn ifo ifr ifs iia iif iii iim iin iio iir iis ika ikf iki ikk iko ikr iks im- ima imf imi imm imn imo ims in- ina inf ini ink inm inn ino inr ins io- ioa iof ioi iom ion ioo ior ios ir- ira irf iri irk irm irn iro irr irs is- isa isf isi isk ism isn iso isr iss ka- kaa kaf kai kak kam kan kao kar kas kfa kff kfi kfm kfo kfs kia kif kii kik kim kin kio kir kis kki kkk kkm kkn kkr kks kma kmf kmi kmk kmm kmo kms kn- kna knf kni knk knm knn kno knr koa kof koi kok kom kon koo kor kos kra krf kri krk krn kro krr krs ksa ksf ksi ksk ksm ksn kso ksr kss m-f m-o m-r maa maf mai mak mam man mao mar mas mfa mff mfi mfm mfn mfo mfr mfs mi- mia mif mii mik mim min mio mir mis mka mkk mkm mkn mko mkr mks mma mmf mmi mmk mmm mmn mmo mmr mms mna mnf mni mnk mnm mnn mno mnr mns moa mof moi mok mom mon moo mor mos mra mrf mri mrk mrm mrn mro mrr mrs msa msf msi msk msm msn mso msr mss n-i naa naf nai nak nam nan nao nar nas nfa nff nfi nfk nfn nfo nfr nfs nia nif nii nik nim nin nio nir nis nka nkf nki nkk nkm nkn nko nkr nks nma nmi nmk nmm nmn nmo nmr nms nna nnf nni nnk nnm nnn nno nns no- noa nof noi nok nom non noo nor nos nra nrf nri nrk nrm nrn nro nrr nrs nsa nsf nsi nsk nsm nsn nso nsr nss o-i oaa oaf oai oak oam oan oao oar oas of- ofa off ofi ofm ofn ofo ofr ofs oia oif oii oik oim oin oio oir ois oka oki okk oko okr oks om- oma omf omi omm omn omo omr oms on- ona onf oni onk onn ono onr ons oo- ooa oof ooi ook oom oon ooo oor oos or- ora orf ori ork orm orn oro orr ors os- osa osf osi osk osm osn oso osr oss ra- raa raf rai rak ram ran rao rar ras rfa rff rfi rfk rfm rfn rfo rfr rfs ria rif rii rik rim rin rio rir ris rkf rkk rkm rko rks rma rmf rmi rmm rmn rmo rmr rms rna rni rnm rnn rno rnr rns roa rof roi rok rom ron roo ror ros rra rrf rri rrk rrm rrn rrr rrs rsa rsf rsi rsk rsm rsn rso rsr rss saa saf sai sak sam san sao sar sas sfa sff sfi sfk sfm sfn sfo sfr sfs sia sif sii sik sim sin sio sir sis sk- ska skf ski skk skm sko skr sks sma smf smi smk smm smn smo smr sms sna snf sni snk snm snn sno snr sns soa sof soi sok som son soo sor sos sr- sra srf sri srk srm srn sro srr srs ss- ssa ssf ssi ssk ssm ssn sso ssr sss