-ic -th a-a a-b a-c a-i a-t aaa aab aac aaf aah aai aan aao aas aat ab- aba abb abc abf abh abi abn abo abs abt ac- aca acb acc acf ach aci acn aco acs act af- afa afb afc aff afh afi afn afo afs aft aha ahb ahc ahf ahh ahi ahn aho ahs aht ai- aia aib aic aif aih aii ain aio ais ait an- ana anb anc anf anh ani ann ano ans ant aoa aob aoc aof aoh aoi aon aoo aos aot as- asa asb asc asf ash asi asn aso ass ast at- ata atb atc atf ath ati atn ato ats att baa bab bac baf bah bai ban bao bas bat bba bbb bbc bbf bbh bbi bbn bbo bbs bbt bca bcb bcc bcf bch bci bcn bco bcs bct bfa bfb bfc bff bfh bfi bfn bfo bfs bft bha bhb bhc bhf bhh bhi bho bhs bht bi- bia bib bic bif bih bii bin bio bis bit bna bnb bnc bnf bni bnn bno bns bnt boa bob boc bof boh boi bon boo bos bot bsa bsb bsc bsf bsh bsi bsn bso bss bst bta btb btc btf bth bti btn bto bts btt c-- caa cab cac caf cah cai can cao cas cat cba cbb cbc cbf cbh cbi cbn cbo cbs cbt cca ccb ccc ccf cch cci ccn cco ccs cct cfa cfb cfc cff cfh cfi cfn cfo cfs cft ch- cha chb chc chf chh chi chn cho chs cht ci- cia cib cic cif cih cii cin cio cis cit cn- cna cnb cnc cnf cnh cni cnn cno cns cnt co- coa cob coc cof coh coi con coo cos cot csa csb csc csf csh csi csn cso css cst cta ctb ctc ctf cth cti ctn cto cts ctt faa fab fac faf fah fai fan fao fas fat fba fbb fbc fbf fbh fbi fbn fbo fbs fbt fca fcb fcc fcf fci fcn fco fcs fct ffa ffc fff ffh ffi ffn ffo ffs fft fha fhb fhc fhf fhh fhi fhn fho fhs fia fib fic fif fih fii fin fis fit fna fnb fnc fnf fnh fni fnn fns fnt foa fob foc fof foh foi fon foo fos fot fsa fsb fsc fsf fsh fsi fsn fso fss fst fta ftb ftc ftf fth fti ftn fto fts ftt h-i haa hab hac haf hah hai han hao has hat hba hbb hbc hbf hbh hbi hbn hbo hbs hbt hca hcb hcc hcf hch hci hcn hco hcs hct hfa hfb hfc hff hfh hfi hfn hfo hfs hft hha hhb hhc hhf hhh hhi hhn hho hhs hht hia hib hic hif hih hii hin hio his hit hna hnb hnc hnf hnh hnn hno hns hnt hoa hob hoc hof hoh hoi hon hoo hos hot hsa hsb hsc hsf hsh hsi hsn hss hst hta htb htc htf hth hti htn hto hts htt i-f ia- iaa iab iac iaf iah iai ian iao ias iat iba ibb ibc ibf ibh ibi ibn ibo ibs ibt ica icb icc icf ich ici icn ico ics ict ifa ifb ifc iff ifi ifn ifo ifs ift iha ihb ihc ihf ihh ihi ihn iho ihs iht iia iib iic iif iih iii iin iio iis iit in- ina inb inc inf inh ini inn ino ins int io- ioa iob ioc iof ioh ioi ion ioo ios iot is- isa isb isc isf ish isi isn iso iss ist ita itb itc itf ith iti itn ito its itt n-i naa nab nac naf nah nai nan nao nas nat nba nbb nbc nbf nbi nbn nbo nbs nbt nca ncb ncc ncf nch nci ncn nco ncs nct nfa nfb nfc nff nfi nfn nfo nfs nft nha nhb nhc nhf nhh nhi nhn nhs nht nia nib nic nif nih nii nin nio nis nit nna nnb nnc nnf nnh nni nnn nno nns nnt no- noa nob noc nof noh noi non noo nos not nsa nsb nsc nsf nsh nsi nsn nso nss nst nta ntb ntc ntf nth nti ntn nto nts ntt o-i oaa oab oac oaf oah oai oan oao oas oat ob- oba obb obc obf obh obi obn obo obs obt oc- oca ocb occ ocf och oci ocn oco ocs oct of- ofa ofb ofc off ofi ofn ofo ofs oft oha ohc ohf ohh ohi ohn oho ohs oht oia oib oic oif oii oin oio ois oit on- ona onb onc onf onh oni onn ono ons ont oo- ooa oob ooc oof ooh ooi oon ooo oos oot os- osa osb osc osf osh osi osn oso oss ost ot- ota otb otc otf oth oti otn oto ots ott saa sab sac saf sah sai san sao sas sat sba sbb sbc sbf sbh sbi sbn sbo sbs sbt sca scb scc scf sch sci scn sco scs sct sfa sfb sfc sff sfh sfi sfn sfo sfs sft sh- sha shb shc shf shh shi shn sho shs sht sia sib sic sif sih sii sin sio sis sit sna snb snc snf sni snn sno sns snt soa sob soc sof soh soi son soo sos sot ss- ssa ssb ssc ssf ssh ssi ssn sso sss sst sta stb stc stf sth sti stn sto sts stt taa tab tac taf tah tai tan tao tas tat tba tbb tbc tbf tbh tbi tbn tbo tbs tbt tca tcb tcc tcf tch tci tcn tco tcs tct tfa tfb tfc tff tfh tfi tfn tfo tfs tft th- tha thb thc thf thh thi thn tho ths tht tia tib tic tif tih tii tin tio tis tit tna tnb tnc tnf tnh tni tnn tno tns tnt to- toa tob toc tof toh toi ton