-er -up a-a aaa aad aae aag aap aar aau ad- ada add ade adg adp adr adu aea aed aee aeg aep aer aeu ag- aga agd age agg agp agr agu ap- apa apd ape apg app apr apu ar- ara ard are arg arp arr aru au- aua aud aue aug aup aur daa dad dae dag dap dar dau dda ddd dde ddg ddp ddr ddu de- dea ded dee deg dep der deu dga dgd dge dgg dgp dgr dgu dpa dpd dpe dpg dpp dpr dpu dra drd dre drg drp drr dru dua dud due dug dup dur eaa ead eae eag eap ear eau ed- eda edd ede edg edp edr edu eea eed eee eeg eep eer ega egd ege egg egp egr egu ep- epa epd epe epg epp epr epu era erd ere erg erp err eru eu- eua eud eue eug eup eur g-d g-p gaa gad gae gag gap gar gau gda gdd gde gdp gdr gdu ge- gea ged gee geg gep ger geu gga ggd ggg ggp ggr ggu gpa gpd gpe gpg gpp gpr gpu gra grd gre grg grp grr gru gu- gua gud gue gug gup gur guu p-p paa pad pae pag pap par pau pda pdd pde pdg pdp pdr pdu pea ped pee peg pep per peu pga pgd pge pgg pgp pgr ppa ppd ppe ppg ppp ppr ppu pra prd pre prg prp prr pru pua pud pue pug pup pur puu ra- raa rad rae rag rap rar rau rda rdd rde rdg rdp rdr rdu re- rea red ree reg rep rer reu rga rgd rge rgg rgp rgr rpa rpd rpe rpg rpp rpr rpu rra rrd rrg rrp rrr rru rua rud rue rug rup rur ruu ua- uaa uad uae uag uap uar uau uda udd ude udg udp udr udu uea ued uee ueg uep uer uga uge ugg ugp ugr ugu up- upa upd upe upg upp upr upu ur- ura urd ure urg urp urr uru uua uue uug uur uuu