-er a-a a-i aaa aad aae aag aai aak aap aar aas ad- ada add ade adg adi adk adp adr ads aea aed aee aeg aei aek aep aer aes ag- aga agd age agg agi agk agp agr ags ai- aia aid aie aig aii aik aip air ais aka akd ake akg aki akk akp akr aks ap- apa apd ape apg api apk app apr aps ar- ara ard are arg ari ark arp arr ars as- asa asd ase asg asi ask asp asr ass daa dad dae dag dai dak dap dar das dda ddd dde ddg ddi ddk ddp ddr dds de- dea ded dee deg dei dek dep der des dga dgd dge dgg dgi dgk dgp dgr dgs di- dia did die dig dii dik dip dir dis dka dke dkg dki dkk dkp dkr dks dpa dpd dpe dpg dpi dpk dpp dpr dps dra drd dre drg dri drk drp drr drs dsa dsd dse dsg dsi dsk dsp dsr dss eaa ead eae eag eai eak eap ear eas ed- eda edd ede edg edi edk edp edr eds eea eed eee eeg eek eep eer ees ega egd ege egg egi egp egr egs eia eid eie eig eii eik eip eir eis eka ekd eke ekg eki ekp ekr eks ep- epa epd epe epg epi epp epr eps era erd ere erg eri erk erp err ers es- esa esd ese esg esi esk esp esr ess g-d g-p gaa gad gae gag gai gak gap gar gas gda gdd gde gdi gdk gdp gdr gds ge- gea ged gee geg gei gek gep ger ges gga ggd ggg ggi ggp ggr ggs gia gid gie gig gii gik gip gir gis gka gkd gkp gks gpa gpd gpe gpg gpi gpk gpp gpr gps gra grd gre grg gri grk grp grr grs gsa gsd gse gsg gsi gsk gsp gsr gss i-d ia- iaa iad iae iag iai iap iar ias ida idd ide idg idi idk idp idr ids ie- iea ied iee ieg iei iek iep ier ies iga igd ige igg igi igk igp igr igs iia iid iie iii iip iir iis ika ike iki ikk ikr iks ipa ipd ipe ipg ipi ipp ipr ips ir- ira ird ire irg iri irk irp irr irs is- isa isd ise isg isi isk isp isr iss ka- kaa kad kae kag kai kak kap kar kas kda kde kdg kdk kdp kdr kds ke- kea ked kee keg kei kek kep ker kes kga kgd kgi kgp kgs kia kid kie kig kii kik kip kir kis kke kki kkk kkp kkr kks kpa kpd kpe kpi kpk kpp kpr kps kra krd krg kri krk krp krr krs ksa ksd kse ksg ksi ksk ksp ksr kss p-p paa pad pae pag pai pak pap par pas pda pdd pde pdg pdi pdk pdp pdr pds pea ped pee peg pei pek pep per pes pga pgd pge pgg pgi pgk pgp pgr pgs pia pid pie pig pii pik pip pir pis pka pkd pke pkg pki pkp pkr pks ppa ppd ppe ppg ppi ppk ppp ppr pps pra prd pre prg pri prk prp prr prs ps- psa psd pse psg psi psk psp psr pss ra- raa rad rae rag rai rak rap rar ras rda rdd rde rdg rdi rdp rdr rds re- rea red ree reg rei rek rep rer res rga rgd rge rgg rgi rgk rgp rgr rgs ria rid rie rig rii rik rip rir ris rke rkg rkk rkp rks rpa rpd rpe rpg rpi rpk rpp rpr rps rra rrd rrg rri rrk rrp rrr rrs rsa rsd rse rsg rsi rsk rsp rsr rss saa sad sae sag sai sak sap sar sas sda sdd sde sdg sdi sdk sdp sdr sds se- sea sed see seg sei sek sep ser ses sga sgd sge sgg sgi sgk sgp sgr sgs sia sid sie sig sii sik sip sir sis sk- ska skd ske skg ski skk skp skr sks spa spd spe spg spi spk spp spr sps sr- sra srd sre srg sri srk srp srr srs ss- ssa ssd sse ssg ssi ssk ssp ssr sss