a-a aaa aaf aam aan aao aar aas aau af- afa aff afm afn afo afr afs afu ama amf amm amn amo amr ams amu an- ana anf anm ann ano anr ans anu aoa aof aom aon aoo aor aos aou ar- ara arf arm arn aro arr ars aru as- asa asf asm asn aso asr ass asu au- aua auf aum aun auo aur aus faa faf fam fan fao far fas fau ffa fff ffm ffn ffo ffr ffs ffu fma fmf fmm fmn fmo fmr fms fmu fna fnf fnm fnn fnr fns fnu foa fof fom fon foo for fos fou fra frf frm frn fro frr frs fru fsa fsf fsm fsn fso fsr fss fsu fua fuf fum fun fuo fur fus fuu m-f m-o m-r maa maf mam man mao mar mas mau mfa mff mfm mfn mfo mfr mfs mfu mma mmf mmm mmn mmo mmr mms mmu mna mnf mnm mnn mno mnr mns mnu moa mof mom mon moo mor mos mou mra mrf mrm mrn mro mrr mrs mru msa msf msm msn mso msr mss msu mua muf mum mun mur mus muu naa naf nam nan nao nar nas nau nfa nff nfn nfo nfr nfs nfu nma nmm nmn nmo nmr nms nmu nna nnf nnm nnn nno nns nnu no- noa nof nom non noo nor nos nou nra nrf nrm nrn nro nrr nrs nru nsa nsf nsm nsn nso nsr nss nsu nua num nun nuo nur nus nuu oaa oaf oam oan oao oar oas oau of- ofa off ofm ofn ofo ofr ofs ofu om- oma omf omm omn omo omr oms omu on- ona onf onn ono onr ons onu oo- ooa oof oom oon ooo oor oos or- ora orf orm orn oro orr ors oru os- osa osf osm osn oso osr oss osu ou- oua ouf oum oun ouo our ous ra- raa raf ram ran rao rar ras rau rfa rff rfm rfn rfo rfr rfs rfu rma rmf rmm rmn rmo rmr rms rna rnm rnn rno rnr rns rnu roa rof rom ron roo ror ros rou rra rrf rrm rrn rrr rrs rru rsa rsf rsm rsn rso rsr rss rsu rua ruf rum run ruo rur rus ruu saa saf sam san sao sar sas sau sfa sff sfm sfn sfo sfr sfs sfu sma smf smm smn smo smr sms smu sna snf snm snn sno snr sns snu soa sof som son soo sor sos sou sr- sra srf srm srn sro srr srs ss- ssa ssf ssm ssn sso ssr sss ssu sua suf sum sun suo sur sus suu ua- uaa uaf uam uan uao uar uas uau ufa uff ufm ufn ufo ufr ufs ufu um- uma umf umm umn umo umr ums umu un- una unf unm unn uno unr uns unu uoa uom uon uoo uor uos ur- ura urf urm urn uro urr urs uru usa usf usm usn uso usr uss usu uua uum uun uur uus uuu