-ic -th a-a a-c a-i a-t aaa aac aah aai aao aap aat aax ac- aca acc ach aci aco acp act acx aha ahc ahh ahi aho ahp aht ahx ai- aia aic aih aii aio aip ait aix aoa aoc aoh aoi aoo aop aot aox ap- apa apc aph api apo app apt apx at- ata atc ath ati ato atp att atx ax- axa axh axi axo axp axt axx c-- caa cac cah cai cao cap cat cax cca ccc cch cci cco ccp cct ccx ch- cha chc chh chi cho chp cht chx ci- cia cic cih cii cio cip cit cix co- coa coc coh coi coo cop cot cox cpa cpc cph cpi cpo cpp cpt cpx cta ctc cth cti cto ctp ctt ctx cxc cxh cxi cxo cxp cxt cxx h-i haa hac hah hai hao hap hat hax hca hcc hch hci hco hcp hct hha hhc hhh hhi hho hhp hht hia hic hih hii hio hip hit hix hoa hoc hoh hoi hoo hop hot hox hpa hpc hph hpi hpo hpp hpt hta htc hth hti hto htp htt htx hxc ia- iaa iac iah iai iao iap iat ica icc ich ici ico icp ict iha ihc ihh ihi iho ihp iht iia iic iih iii iio iip iit iix io- ioa ioc ioh ioi ioo iop iot ipa ipc ipi ipo ipp ipt ipx ita itc ith iti ito itp itt itx ixc ixi o-i oaa oac oah oai oao oap oat oax oc- oca occ och oci oco ocp oct ocx oha ohc ohh ohi oho ohp oht oia oic oii oio oip oit oo- ooa ooc ooh ooi ooo oop oot oox op- opa opc oph opi opo opp opt opx ot- ota otc oth oti oto otp ott ox- oxa oxc oxi oxo oxt oxx p-p paa pac pah pai pao pap pat pax pca pcc pch pci pco pcp pct pcx pha phc phi pho php pht phx pia pic pih pii pio pip pit pix poa poc poh poi poo pop pot pox ppa ppc pph ppi ppo ppp ppt ppx pt- pta ptc pth pti pto ptp ptt ptx pxc pxt t-x taa tac tah tai tao tap tat tax tca tcc tch tci tco tcp tct tcx th- tha thc thh thi tho thp tht thx tia tic tih tii tio tip tit tix to- toa toc toh toi too top tot tox tpa tpc tph tpi tpo tpp tpt tpx tta ttc tth tti tto ttp ttt ttx txi txt xaa xac xap xat xch xci xcp xcx xhp xht xia xic xii xio xit xix xoa xoc xoi xoo xop xot xox xpa xpc xpo xpp xpt xtc xti xtp xtx xxi xxo xxp xxx