-ic -th a-a a-b a-c a-i a-t aaa aab aac aaf aah aai aak aas aat ab- aba abb abc abf abh abi abk abs abt ac- aca acb acc acf ach aci ack acs act af- afa afb afc aff afh afi afk afs aft aha ahb ahc ahf ahh ahi ahk ahs aht ai- aia aib aic aif aih aii aik ais ait aka akb akc akh aki akk aks as- asa asb asc asf ash asi ask ass ast at- ata atb atc atf ath ati ats att baa bab bac baf bah bai bak bas bat bba bbb bbc bbf bbh bbi bbk bbs bbt bca bcb bcc bcf bch bci bck bcs bct bfa bfb bfc bff bfh bfi bfs bft bha bhb bhc bhf bhh bhi bhk bhs bht bi- bia bib bic bif bih bii bik bis bit bka bkb bkc bkf bkk bks bkt bsa bsb bsc bsf bsh bsi bsk bss bst bta btb btc btf bth bti btk bts btt c-- caa cab cac caf cah cai cak cas cat cba cbb cbc cbf cbh cbi cbk cbs cbt cca ccb ccc ccf cch cci cck ccs cct cfa cfb cfc cff cfh cfi cfk cfs cft ch- cha chb chc chf chh chi chk chs cht ci- cia cib cic cif cih cii cik cis cit cka ckb ckc ckh cki cks ckt csa csb csc csf csh csi csk css cst cta ctb ctc ctf cth cti ctk cts ctt faa fab fac faf fah fai fak fas fat fba fbb fbc fbf fbh fbi fbk fbs fbt fca fcb fcc fcf fci fck fcs fct ffa ffc fff ffh ffi ffk ffs fft fha fhb fhc fhf fhh fhi fhs fia fib fic fif fih fii fik fis fit fka fkb fkc fkf fki fkk fkt fsa fsb fsc fsf fsh fsi fsk fss fst fta ftb ftc ftf fth fti ftk fts ftt h-i haa hab hac haf hah hai hak has hat hba hbb hbc hbf hbh hbi hbk hbs hbt hca hcb hcc hcf hch hci hck hcs hct hfa hfb hfc hff hfh hfi hfk hfs hft hha hhb hhc hhf hhh hhi hhk hhs hht hia hib hic hif hih hii hik his hit hka hkb hkf hkh hki hkk hks hkt hsa hsb hsc hsf hsh hsi hsk hss hst hta htb htc htf hth hti htk hts htt i-f ia- iaa iab iac iaf iah iai ias iat iba ibb ibc ibf ibh ibi ibk ibs ibt ica icb icc icf ich ici ick ics ict ifa ifb ifc iff ifi ifs ift iha ihb ihc ihf ihh ihi ihk ihs iht iia iib iic iif iih iii iis iit ika ikb ikc ikf iki ikk iks ikt is- isa isb isc isf ish isi isk iss ist ita itb itc itf ith iti itk its itt k-t ka- kaa kab kac kaf kah kai kak kas kat kba kbb kbc kbf kbh kbi kbk kbs kca kcb kcc kch kci kck kcs kct kfa kfc kff kfh kfi kfs kha khf khh khi khk khs kia kib kic kif kih kii kik kis kit kkb kkc kkh kki kkk kks kkt ksa ksb ksc ksf ksh ksi ksk kss kst kta ktb ktc ktf kth ktk kts ktt saa sab sac saf sah sai sak sas sat sba sbb sbc sbf sbh sbi sbk sbs sbt sca scb scc scf sch sci sck scs sct sfa sfb sfc sff sfh sfi sfk sfs sft sh- sha shb shc shf shh shi shk shs sht sia sib sic sif sih sii sik sis sit sk- ska skb skc skf skh ski skk sks skt ss- ssa ssb ssc ssf ssh ssi ssk sss sst sta stb stc stf sth sti stk sts stt taa tab tac taf tah tai tak tas tat tba tbb tbc tbf tbh tbi tbk tbs tbt tca tcb tcc tcf tch tci tck tcs tct tfa tfb tfc tff tfh tfi tfk tfs tft th- tha thb thc thf thh thi thk ths tht tia tib tic tif tih tii tik tis tit tka tkb tkc tkk tks tkt tsa tsb tsc tsf tsh tsi tsk tss tst tta ttb ttc ttf tth tti ttk tts ttt