-er -th eee eeo eer eet eex ehe ehh eho ehr eht ehu eo- eoe eoh eoo eor eot eou ere erh ero err ert eru ete eth eto etr ett etu etx eu- eue eur eut eux ex- exe exh exo exr ext exu exx he- hee heh heo her het heu hex hhe hhh hho hhr hht hhu hoe hoh hoo hor hot hou hox hr- hre hrh hro hrr hrt hru hte hth hto htr htt htx hue huh huo hur hut huu hux oee oeh oeo oer oet oex ohe ohh oho ohr oht ohu oo- ooh ooo oor oot oox or- ore orh oro orr ort oru orx ot- ote oth oto otr ott otu ou- oue ouh ouo our out ox- oxo oxt oxx re- ree reh reo rer ret reu rex rh- rhe rhh rho rhr rht rhu roe roh roo ror rot rou rox rrh rrr rrt rru rte rto rtr rtt rtu rtx rue ruh ruo rur rut ruu rux rxr t-x te- tee teh teo ter tet teu tex th- the thh tho thr tht thu thx to- toe toh too tor tot tou tox tre trh tro trr trt tru trx tte tth tto ttr ttt ttu ttx tue tuh tuo tur tut tuu tux txe txt txu uee ueh uer uet uhe uhh uho uhr uht uhu uoe uoo uor uot uox ur- ure uro urr urt uru urx ute uth uto utr utt utu utx uue uur uut uuu uxo uxr uxt uxu xee xer xet xeu xex xht xoo xor xot xox xrt xrx xtr xtx xue xxo xxx