a-a a-b a-i aaa aab aad aaf aah aai aan aas ab- aba abb abd abf abh abi abn abs ad- ada adb add adf adh adi adn ads af- afa afb afd aff afh afi afn afs aha ahb ahd ahf ahh ahi ahn ahs ai- aia aib aid aif aih aii ain ais an- ana anb and anf anh ani ann ans as- asa asb asd asf ash asi asn ass baa bab bad baf bah bai ban bas bba bbb bbd bbf bbh bbi bbn bbs bda bdb bdd bdf bdh bdi bds bfa bfb bfd bff bfh bfi bfn bfs bha bhb bhd bhf bhh bhi bhs bi- bia bib bid bif bih bii bin bis bna bnb bnd bnf bni bnn bns bsa bsb bsd bsf bsh bsi bsn bss daa dab dad daf dah dai dan das dba dbb dbd dbf dbh dbi dbn dbs dda ddb ddd ddf ddh ddi ddn dds dfa dfb dfd dff dfh dfi dfn dfs dh- dha dhb dhd dhf dhh dhi dhs di- dia dib did dif dih dii din dis dna dnb dnd dnf dnh dni dnn dns dsa dsb dsd dsf dsh dsi dsn dss faa fab fad faf fah fai fan fas fba fbb fbd fbf fbh fbi fbn fbs fda fdb fdd fdf fdh fdi fdn fds ffa ffd fff ffh ffi ffn ffs fha fhb fhf fhh fhi fhn fhs fia fib fid fif fih fii fin fis fna fnb fnd fnf fnh fni fnn fns fsa fsb fsd fsf fsh fsi fsn fss h-i haa hab had haf hah hai han has hba hbb hbd hbf hbh hbi hbn hbs hda hdb hdd hdf hdh hdi hdn hds hfa hfb hfd hff hfh hfi hfn hfs hha hhb hhd hhf hhh hhi hhn hhs hia hib hid hif hih hii hin his hna hnb hnd hnf hnh hnn hns hsa hsb hsd hsf hsh hsi hsn hss i-d i-f ia- iaa iab iad iaf iah iai ian ias iba ibb ibd ibf ibh ibi ibn ibs ida idb idd idf idh idi idn ids ifa ifb ifd iff ifi ifn ifs iha ihb ihd ihf ihh ihi ihn ihs iia iib iid iif iih iii iin iis in- ina inb ind inf inh ini inn ins is- isa isb isd isf ish isi isn iss n-i naa nab nad naf nah nai nan nas nba nbb nbd nbf nbi nbn nbs nda ndb ndd ndf ndh ndi ndn nds nfa nfb nfd nff nfi nfn nfs nha nhb nhd nhf nhh nhi nhn nhs nia nib nid nif nih nii nin nis nna nnb nnf nnh nni nnn nns nsa nsb nsd nsf nsh nsi nsn nss saa sab sad saf sah sai san sas sba sbb sbd sbf sbh sbi sbn sbs sda sdb sdd sdf sdh sdi sdn sds sfa sfb sfd sff sfh sfi sfn sfs sh- sha shb shd shf shh shi shn shs sia sib sid sif sih sii sin sis sna snb snd snf sni snn sns ss- ssa ssb ssd ssf ssh ssi ssn sss