-ic -th a-a a-c a-i a-t aaa aac aah aai aao aas aat aax ac- aca acc ach aci aco acs act acx aha ahc ahh ahi aho ahs aht ahx ai- aia aic aih aii aio ais ait aix aoa aoc aoh aoi aoo aos aot aox as- asa asc ash asi aso ass ast asx at- ata atc ath ati ato ats att atx ax- axa axh axi axo axs axt axx c-- caa cac cah cai cao cas cat cax cca ccc cch cci cco ccs cct ccx ch- cha chc chh chi cho chs cht chx ci- cia cic cih cii cio cis cit cix co- coa coc coh coi coo cos cot cox csa csc csh csi cso css cst csx cta ctc cth cti cto cts ctt ctx cxc cxh cxi cxo cxs cxt cxx h-i haa hac hah hai hao has hat hax hca hcc hch hci hco hcs hct hha hhc hhh hhi hho hhs hht hia hic hih hii hio his hit hix hoa hoc hoh hoi hoo hos hot hox hsa hsc hsh hsi hss hst hsx hta htc hth hti hto hts htt htx hxc ia- iaa iac iah iai iao ias iat ica icc ich ici ico ics ict iha ihc ihh ihi iho ihs iht iia iic iih iii iio iis iit iix io- ioa ioc ioh ioi ioo ios iot is- isa isc ish isi iso iss ist ita itc ith iti ito its itt itx ixc ixi o-i oaa oac oah oai oao oas oat oax oc- oca occ och oci oco ocs oct ocx oha ohc ohh ohi oho ohs oht oia oic oii oio ois oit oo- ooa ooc ooh ooi ooo oos oot oox os- osa osc osh osi oso oss ost osx ot- ota otc oth oti oto ots ott ox- oxa oxc oxi oxo oxt oxx saa sac sah sai sao sas sat sax sca scc sch sci sco scs sct scx sh- sha shc shh shi sho shs sht sia sic sih sii sio sis sit six soa soc soh soi soo sos sot sox ss- ssa ssc ssh ssi sso sss sst ssx sta stc sth sti sto sts stt stx sxc sxi sxs sxt t-x taa tac tah tai tao tas tat tax tca tcc tch tci tco tcs tct tcx th- tha thc thh thi tho ths tht thx tia tic tih tii tio tis tit tix to- toa toc toh toi too tos tot tox tsa tsc tsh tsi tso tss tst tsx tta ttc tth tti tto tts ttt ttx txi txs txt xaa xac xas xat xch xci xcx xht xia xic xii xio xis xit xix xoa xoc xoi xoo xos xot xox xsa xsc xsi xss xst xtc xti xts xtx xxi xxo xxx