-er a-a a-i aaa aad aae aag aai aak aap aar ad- ada add ade adg adi adk adp adr aea aed aee aeg aei aek aep aer ag- aga agd age agg agi agk agp agr ai- aia aid aie aig aii aik aip air aka akd ake akg aki akk akp akr ap- apa apd ape apg api apk app apr ar- ara ard are arg ari ark arp arr daa dad dae dag dai dak dap dar dda ddd dde ddg ddi ddk ddp ddr de- dea ded dee deg dei dek dep der dga dgd dge dgg dgi dgk dgp dgr di- dia did die dig dii dik dip dir dka dke dkg dki dkk dkp dkr dpa dpd dpe dpg dpi dpk dpp dpr dra drd dre drg dri drk drp drr eaa ead eae eag eai eak eap ear ed- eda edd ede edg edi edk edp edr eea eed eee eeg eek eep eer ega egd ege egg egi egp egr eia eid eie eig eii eik eip eir eka ekd eke ekg eki ekp ekr ep- epa epd epe epg epi epp epr era erd ere erg eri erk erp err g-d g-p gaa gad gae gag gai gak gap gar gda gdd gde gdi gdk gdp gdr ge- gea ged gee geg gei gek gep ger gga ggd ggg ggi ggp ggr gia gid gie gig gii gik gip gir gka gkd gkp gpa gpd gpe gpg gpi gpk gpp gpr gra grd gre grg gri grk grp grr i-d ia- iaa iad iae iag iai iap iar ida idd ide idg idi idk idp idr ie- iea ied iee ieg iei iek iep ier iga igd ige igg igi igk igp igr iia iid iie iii iip iir ika ike iki ikk ikr ipa ipd ipe ipg ipi ipp ipr ir- ira ird ire irg iri irk irp irr ka- kaa kad kae kag kai kak kap kar kda kde kdg kdk kdp kdr ke- kea ked kee keg kei kek kep ker kga kgd kgi kgp kia kid kie kig kii kik kip kir kke kki kkk kkp kkr kpa kpd kpe kpi kpk kpp kpr kra krd krg kri krk krp krr p-p paa pad pae pag pai pak pap par pda pdd pde pdg pdi pdk pdp pdr pea ped pee peg pei pek pep per pga pgd pge pgg pgi pgk pgp pgr pia pid pie pig pii pik pip pir pka pkd pke pkg pki pkp pkr ppa ppd ppe ppg ppi ppk ppp ppr pra prd pre prg pri prk prp prr ra- raa rad rae rag rai rak rap rar rda rdd rde rdg rdi rdp rdr re- rea red ree reg rei rek rep rer rga rgd rge rgg rgi rgk rgp rgr ria rid rie rig rii rik rip rir rke rkg rkk rkp rpa rpd rpe rpg rpi rpk rpp rpr rra rrd rrg rri rrk rrp rrr