-er -up a-a aaa aae aag aao aap aar aau aea aee aeg aeo aep aer aeu ag- aga age agg ago agp agr agu aoa aoe aog aoo aop aor aou ap- apa ape apg apo app apr apu ar- ara are arg aro arp arr aru au- aua aue aug auo aup aur eaa eae eag eao eap ear eau eea eee eeg eeo eep eer ega ege egg ego egp egr egu eo- eoa eoe eog eoo eop eor eou ep- epa epe epg epo epp epr epu era ere erg ero erp err eru eu- eua eue eug eup eur g-p gaa gae gag gao gap gar gau ge- gea gee geg geo gep ger geu gga ggg ggo ggp ggr ggu goa goe gog goo gop gor gou gpa gpe gpg gpo gpp gpr gpu gra gre grg gro grp grr gru gu- gua gue gug guo gup gur guu oaa oae oag oao oap oar oau oea oee oeg oeo oep oer oga oge ogg ogo ogp oo- ooa oog ooo oop oor op- opa ope opg opo opp opr or- ora ore org oro orp orr oru ou- oua oue ouo oup our p-p paa pae pag pao pap par pau pea pee peg peo pep per peu pga pge pgg pgo pgp pgr poa poe pog poo pop por pou ppa ppe ppg ppo ppp ppr ppu pra pre prg pro prp prr pru pua pue pug pup pur puu ra- raa rae rag rao rap rar rau re- rea ree reg reo rep rer reu rga rge rgg rgo rgp rgr roa roe rog roo rop ror rou rpa rpe rpg rpo rpp rpr rpu rra rrg rrp rrr rru rua rue rug ruo rup rur ruu ua- uaa uae uag uao uap uar uau uea uee ueg uep uer uga uge ugg ugo ugp ugr ugu uoa uoe uog uoo uop uor up- upa upe upg upo upp upr upu ur- ura ure urg uro urp urr uru uua uue uug uur uuu