-al -th a-a a-c a-t aaa aac aae aah aal aap aat aax ac- aca acc ace ach acl acp act acx aea aec aee aeh ael aep aet aex aha ahc ahe ahh ahl ahp aht ahx al- ala alc ale alh all alp alt alx ap- apa apc ape aph apl app apt apx at- ata atc ate ath atl atp att atx ax- axa axe axh axl axp axt axx c-- caa cac cae cah cal cap cat cax cca ccc cce cch ccl ccp cct ccx ce- cea cec cee ceh cel cep cet cex ch- cha chc che chh chl chp cht chx cl- cla clc cle clh cll clp clt clx cpa cpc cpe cph cpl cpp cpt cpx cta ctc cte cth ctl ctp ctt ctx cxc cxh cxl cxp cxt cxx eaa eac eae eah eal eap eat eax ec- eca ecc ece ech ecl ect ecx eea eec eee eel eep eet eex eha ehc ehe ehh ehl ehp eht ela elc ele elh ell elp elt elx ep- epa epc epe eph epl epp ept epx eta etc ete eth etl etp ett etx ex- exa exc exe exh exl exp ext exx haa hac hae hah hal hap hat hax hca hcc hce hch hcl hcp hct he- hea hec hee heh hel hep het hex hha hhc hhe hhh hhl hhp hht hla hlc hle hlh hll hlp hlt hlx hpa hpc hpe hph hpl hpp hpt hta htc hte hth htl htp htt htx hxc hxl l-p la- laa lac lae lah lal lap lat lax lca lcc lce lch lcl lcp lct lcx lea lec lee leh lel lep let lex lha lhc lhh lhp lht lhx lla llc lle lll llp llt lpa lpc lpe lph lpl lpp lpt lpx lta ltc lte lth ltl ltp ltt ltx lxc lxx p-p paa pac pae pah pal pap pat pax pca pcc pce pch pcl pcp pct pcx pea pec pee peh pel pep pet pex pha phc phe phl php pht phx pla plc ple plh pll plp plt plx ppa ppc ppe pph ppl ppp ppt ppx pt- pta ptc pte pth ptl ptp ptt ptx pxc pxe pxl pxt t-x taa tac tae tah tal tap tat tax tca tcc tce tch tcl tcp tct tcx te- tea tec tee teh tel tep tet tex th- tha thc the thh thl thp tht thx tla tlc tle tlh tll tlp tlt tlx tpa tpc tpe tph tpl tpp tpt tpx tta ttc tte tth ttl ttp ttt ttx txe txl txt xaa xac xal xap xat xch xcl xcp xcx xee xel xep xet xex xhp xht xla xlt xpa xpc xpe xpl xpp xpt xtc xtp xtx xxl xxp xxx