a-a a-t aaa aae aaf aao aap aat aea aee aef aeo aep aet af- afa afe aff afo afp aft aoa aoe aof aoo aop aot ap- apa ape apf apo app apt at- ata ate atf ato atp att eaa eae eaf eao eap eat eea eee eef eeo eep eet ef- efa efe eff efo efp eft eo- eoa eoe eof eoo eop eot ep- epa epe epf epo epp ept eta ete etf eto etp ett faa fae faf fao fap fat fea fee fef feo fep fet ffa ffe fff ffo ffp fft foa foe fof foo fop fot fpa fpe fpo fpp fpt fta fte ftf fto ftp ftt oaa oae oaf oao oap oat oea oee oef oeo oep oet of- ofa ofe off ofo ofp oft oo- ooa oof ooo oop oot op- opa ope opf opo opp opt ot- ota ote otf oto otp ott p-p paa pae paf pao pap pat pea pee pef peo pep pet pfa pfe pff pfo pfp pft poa poe pof poo pop pot ppa ppe ppf ppo ppp ppt pt- pta pte ptf pto ptp ptt taa tae taf tao tap tat te- tea tee tef teo tep tet tfa tfe tff tfo tfp tft to- toa toe tof too top tot tpa tpe tpf tpo tpp tpt tta tte ttf tto ttp ttt