-ic -th a-a a-b a-c a-i a-t aaa aab aac aae aah aai aak aao aas aat ab- aba abb abc abe abh abi abk abo abs abt ac- aca acb acc ace ach aci ack aco acs act aea aeb aec aee aeh aei aek aeo aes aet aha ahb ahc ahe ahh ahi ahk aho ahs aht ai- aia aib aic aie aih aii aik aio ais ait aka akb akc ake akh aki akk ako aks aoa aob aoc aoe aoh aoi aok aoo aos aot as- asa asb asc ase ash asi ask aso ass ast at- ata atb atc ate ath ati ato ats att baa bab bac bae bah bai bak bao bas bat bba bbb bbc bbe bbh bbi bbk bbo bbs bbt bca bcb bcc bce bch bci bck bco bcs bct be- bea beb bec bee beh bei bek beo bes bet bha bhb bhc bhe bhh bhi bhk bho bhs bht bi- bia bib bic bie bih bii bik bio bis bit bka bkb bkc bke bkk bko bks bkt boa bob boc boe boh boi bok boo bos bot bsa bsb bsc bse bsh bsi bsk bso bss bst bta btb btc bte bth bti btk bto bts btt c-- caa cab cac cae cah cai cak cao cas cat cba cbb cbc cbe cbh cbi cbk cbo cbs cbt cca ccb ccc cce cch cci cck cco ccs cct ce- cea ceb cec cee ceh cei cek ceo ces cet ch- cha chb chc che chh chi chk cho chs cht ci- cia cib cic cie cih cii cik cio cis cit cka ckb ckc ckh cki cko cks ckt co- coa cob coc coe coh coi cok coo cos cot csa csb csc cse csh csi csk cso css cst cta ctb ctc cte cth cti ctk cto cts ctt eaa eab eac eae eah eai eak eao eas eat eba ebb ebc ebe ebh ebi ebk ebo ebs ebt ec- eca ecb ecc ece ech eci eck eco ecs ect eea eeb eec eee eek eeo ees eet eha ehb ehc ehe ehh ehi eho ehs eht eia eib eic eie eii eik eio eis eit eka ekb ekc eke ekh eki eko eks ekt eo- eoa eob eoc eoe eoh eoi eok eoo eos eot es- esa esb esc ese esh esi esk eso ess est eta etb etc ete eth eti etk eto ets ett h-i haa hab hac hae hah hai hak hao has hat hba hbb hbc hbe hbh hbi hbk hbo hbs hbt hca hcb hcc hce hch hci hck hco hcs hct he- hea heb hec hee heh hei hek heo hes het hha hhb hhc hhe hhh hhi hhk hho hhs hht hia hib hic hie hih hii hik hio his hit hka hkb hkh hki hkk hko hks hkt hoa hob hoc hoe hoh hoi hok hoo hos hot hsa hsb hsc hse hsh hsi hsk hss hst hta htb htc hte hth hti htk hto hts htt ia- iaa iab iac iae iah iai iao ias iat iba ibb ibc ibe ibh ibi ibk ibo ibs ibt ica icb icc ice ich ici ick ico ics ict ie- iea iec iee iei iek ies iet iha ihb ihc ihe ihh ihi ihk iho ihs iht iia iib iic iie iih iii iio iis iit ika ikb ikc ike iki ikk iko iks ikt io- ioa iob ioc ioe ioh ioi ioo ios iot is- isa isb isc ise ish isi isk iso iss ist ita itb itc ite ith iti itk ito its itt k-t ka- kaa kab kac kae kah kai kak kao kas kat kba kbb kbc kbe kbh kbi kbk kbo kbs kca kcb kcc kce kch kci kck kcs kct ke- kea keb kec kee keh kei kek keo kes ket kha khe khh khi khk kho khs kia kib kic kie kih kii kik kio kis kit kkb kkc kke kkh kki kkk kks kkt koa kob koc koe koh koi kok koo kos kot ksa ksb ksc kse ksh ksi ksk kso kss kst kta ktb ktc kte kth ktk kto kts ktt o-i oaa oab oac oae oah oai oak oao oas oat ob- oba obb obc obe obh obi obk obo obs obt oc- oca ocb occ och oci ock oco ocs oct oea oeb oec oee oeh oei oeo oes oet oha ohc ohe ohh ohi oho ohs oht oia oib oic oie oii oik oio ois oit oka okb okc oke oki okk oko oks oo- ooa oob ooc ooh ooi ook ooo oos oot os- osa osb osc ose osh osi osk oso oss ost ot- ota otb otc ote oth oti otk oto ots ott saa sab sac sae sah sai sak sao sas sat sba sbb sbc sbe sbh sbi sbk sbo sbs sbt sca scb scc sce sch sci sck sco scs sct se- sea seb sec see seh sei sek seo ses set sh- sha shb shc she shh shi shk sho shs sht sia sib sic sie sih sii sik sio sis sit sk- ska skb skc ske skh ski skk sko sks skt soa sob soc soe soh soi sok soo sos sot ss- ssa ssb ssc sse ssh ssi ssk sso sss sst sta stb stc ste sth sti stk sto sts stt taa tab tac tae tah tai tak tao tas tat tba tbb tbc tbe tbh tbi tbk tbo tbs tbt tca tcb tcc tce tch tci tck tco tcs tct te- tea teb tec tee teh tei tek teo tes tet th- tha thb thc the thh thi thk tho ths tht tia tib tic tie tih tii tik tio tis tit tka tkb tkc tke tkk tko tks tkt to- toa tob toc toe toh toi tok too tos tot tsa tsb tsc tse tsh tsi tsk tso tss tst tta ttb ttc tte tth