a-a a-t a-z aaa aae aao aap aat aav aaz aea aee aeo aep aet aev aez aoa aoe aoo aop aot aov ap- apa ape apo app apt apv at- ata ate ato atp att atv atz av- ava ave avo avp avt avz az- aza aze azo azp azt azz eaa eae eao eap eat eav eaz eea eee eeo eep eet eev eo- eoa eoe eoo eop eot ep- epa epe epo epp ept epz eta ete eto etp ett etv etz eva eve evo evp evt evv eze ezo ezz oaa oae oao oap oat oav oea oee oeo oep oet oo- ooa ooo oop oot oov op- opa ope opo opp opt opv ot- ota ote oto otp ott otv otz ov- ova ove ovo ovp ovv oza oze ozo ozt ozz p-p paa pae pao pap pat pav paz pea pee peo pep pet pev pez poa poe poo pop pot pov poz ppa ppe ppo ppp ppt ppv ppz pt- pta pte pto ptp ptt ptv ptz pva pve pvo pvp pvt pvv pvz pzp pzt taa tae tao tap tat tav taz te- tea tee teo tep tet tev tez to- toa toe too top tot tov toz tpa tpe tpo tpp tpt tpv tpz tta tte tto ttp ttt ttv tva tve tvo tvp tvt tvz tza tze v-a v-e vaa vae vao vap vat vav vaz vea vee veo vep vet vez voa voe voo vop vot vov voz vpa vpe vpo vpp vpt vta vte vto vtt vtv vtz vva vvo vvt vvv vvz zaa zao zap zat zav zaz zea zee zeo zep zet zev zez zo- zoa zoe zoo zot zpe zpo zpp zpt zta zte ztv zzt zzz