a-a aaa aaf aak aan aao aar aas aaw af- afa aff afk afn afo afr afs afw aka akk akn ako akr aks akw an- ana anf ank ann ano anr ans aoa aof aok aon aoo aor aos aow ar- ara arf ark arn aro arr ars arw as- asa asf ask asn aso asr ass asw aw- awa awf awk awn awo awr aws aww faa faf fak fan fao far fas faw ffa fff ffk ffn ffo ffr ffs ffw fka fkf fkk fna fnf fnk fnn fnr fns fnw foa fof fok fon foo for fos fow fra frf frk frn fro frr frs frw fsa fsf fsk fsn fso fsr fss fsw fwa fwf fwn fwo fws ka- kaa kaf kak kan kao kar kas kaw kfa kff kfo kfs kfw kkk kkn kkr kks kn- kna knf knk knn kno knr koa kof kok kon koo kor kos kow kra krf krk krn kro krr krs krw ksa ksf ksk ksn kso ksr kss ksw kw- kwa kwf kwk kwo kws kww naa naf nak nan nao nar nas naw nfa nff nfk nfn nfo nfr nfs nka nkf nkk nkn nko nkr nks nna nnf nnk nnn nno nns nnw no- noa nof nok non noo nor nos now nra nrf nrk nrn nro nrr nrs nrw nsa nsf nsk nsn nso nsr nss nsw nwa nwf nwn nwo nwr nws oaa oaf oak oan oao oar oas oaw of- ofa off ofn ofo ofr ofs ofw oka okk oko okr oks okw on- ona onf onk onn ono onr ons oo- ooa oof ook oon ooo oor oos oow or- ora orf ork orn oro orr ors os- osa osf osk osn oso osr oss osw owa owf owk own owo ows oww ra- raa raf rak ran rao rar ras raw rfa rff rfk rfn rfo rfr rfs rfw rkf rkk rko rks rna rnn rno rnr rns rnw roa rof rok ron roo ror ros row rra rrf rrk rrn rrr rrs rsa rsf rsk rsn rso rsr rss rsw rwa rwf rwr rws saa saf sak san sao sar sas saw sfa sff sfk sfn sfo sfr sfs sfw sk- ska skf skk sko skr sks skw sna snf snk snn sno snr sns snw soa sof sok son soo sor sos sow sr- sra srf srk srn sro srr srs srw ss- ssa ssf ssk ssn sso ssr sss ssw swa swf swk swn swo swr sws waa waf wak wan wao war was waw wfa wff wfk wfn wfo wfr wfs wfw wka wkf wko wkr wks wkw wn- wna wnf wnn wno wns wnw woa wof wok won woo wor wos wow wr- wra wrf wrk wrn wro wrr wrs wrw wsa wsf wsk wsn wso wsr wss wsw wwa wwf wwn wwo www