a-a a-i aaa aaf aah aai aak aan aao aar aas af- afa aff afh afi afk afn afo afr afs aha ahf ahh ahi ahk ahn aho ahr ahs ai- aia aif aih aii aik ain aio air ais aka akh aki akk akn ako akr aks an- ana anf anh ani ank ann ano anr ans aoa aof aoh aoi aok aon aoo aor aos ar- ara arf arh ari ark arn aro arr ars as- asa asf ash asi ask asn aso asr ass faa faf fah fai fak fan fao far fas ffa fff ffh ffi ffk ffn ffo ffr ffs fha fhf fhh fhi fhn fho fhr fhs fia fif fih fii fik fin fir fis fka fkf fki fkk fna fnf fnh fni fnk fnn fnr fns foa fof foh foi fok fon foo for fos fra frf frh fri frk frn fro frr frs fsa fsf fsh fsi fsk fsn fso fsr fss h-i haa haf hah hai hak han hao har has hfa hff hfh hfi hfk hfn hfo hfr hfs hha hhf hhh hhi hhk hhn hho hhr hhs hia hif hih hii hik hin hio hir his hka hkf hkh hki hkk hkn hko hkr hks hna hnf hnh hnk hnn hno hns hoa hof hoh hoi hok hon hoo hor hos hr- hra hrf hrh hri hrk hrn hro hrr hrs hsa hsf hsh hsi hsk hsn hsr hss i-f ia- iaa iaf iah iai ian iao iar ias ifa iff ifi ifn ifo ifr ifs iha ihf ihh ihi ihk ihn iho ihr ihs iia iif iih iii iin iio iir iis ika ikf iki ikk iko ikr iks in- ina inf inh ini ink inn ino inr ins io- ioa iof ioh ioi ion ioo ior ios ir- ira irf iri irk irn iro irr irs is- isa isf ish isi isk isn iso isr iss ka- kaa kaf kah kai kak kan kao kar kas kfa kff kfh kfi kfo kfs kha khf khh khi khk khn kho khr khs kia kif kih kii kik kin kio kir kis kkh kki kkk kkn kkr kks kn- kna knf kni knk knn kno knr koa kof koh koi kok kon koo kor kos kra krf kri krk krn kro krr krs ksa ksf ksh ksi ksk ksn kso ksr kss n-i naa naf nah nai nak nan nao nar nas nfa nff nfi nfk nfn nfo nfr nfs nha nhf nhh nhi nhk nhn nhr nhs nia nif nih nii nik nin nio nir nis nka nkf nki nkk nkn nko nkr nks nna nnf nnh nni nnk nnn nno nns no- noa nof noh noi nok non noo nor nos nra nrf nri nrk nrn nro nrr nrs nsa nsf nsh nsi nsk nsn nso nsr nss o-i oaa oaf oah oai oak oan oao oar oas of- ofa off ofi ofn ofo ofr ofs oha ohf ohh ohi ohn oho ohr ohs oia oif oii oik oin oio oir ois oka oki okk oko okr oks on- ona onf onh oni onk onn ono onr ons oo- ooa oof ooh ooi ook oon ooo oor oos or- ora orf orh ori ork orn oro orr ors os- osa osf osh osi osk osn oso osr oss ra- raa raf rah rai rak ran rao rar ras rfa rff rfh rfi rfk rfn rfo rfr rfs rh- rha rhf rhh rhi rhn rho rhr rhs ria rif rih rii rik rin rio rir ris rkf rkk rko rks rna rnh rni rnn rno rnr rns roa rof roh roi rok ron roo ror ros rra rrf rrh rri rrk rrn rrr rrs rsa rsf rsh rsi rsk rsn rso rsr rss saa saf sah sai sak san sao sar sas sfa sff sfh sfi sfk sfn sfo sfr sfs sh- sha shf shh shi shk shn sho shr shs sia sif sih sii sik sin sio sir sis sk- ska skf skh ski skk sko skr sks sna snf sni snk snn sno snr sns soa sof soh soi sok son soo sor sos sr- sra srf srh sri srk srn sro srr srs ss- ssa ssf ssh ssi ssk ssn sso ssr sss