-er a-a a-i a-t aaa aad aae aai aak aap aar aat ad- ada add ade adi adk adp adr adt aea aed aee aei aek aep aer aet ai- aia aid aie aii aik aip air ait aka akd ake aki akk akp akr ap- apa apd ape api apk app apr apt ar- ara ard are ari ark arp arr art at- ata atd ate ati atp atr att daa dad dae dai dak dap dar dat dda ddd dde ddi ddk ddp ddr ddt de- dea ded dee dei dek dep der det di- dia did die dii dik dip dir dit dka dke dki dkk dkp dkr dkt dpa dpd dpe dpi dpk dpp dpr dpt dra drd dre dri drk drp drr drt dta dtd dte dti dtk dtp dtr dtt eaa ead eae eai eak eap ear eat ed- eda edd ede edi edk edp edr edt eea eed eee eek eep eer eet eia eid eie eii eik eip eir eit eka ekd eke eki ekp ekr ekt ep- epa epd epe epi epp epr ept era erd ere eri erk erp err ert eta etd ete eti etk etp etr ett i-d ia- iaa iad iae iai iap iar iat ida idd ide idi idk idp idr idt ie- iea ied iee iei iek iep ier iet iia iid iie iii iip iir iit ika ike iki ikk ikr ikt ipa ipd ipe ipi ipp ipr ipt ir- ira ird ire iri irk irp irr irt ita itd ite iti itk itp itt k-t ka- kaa kad kae kai kak kap kar kat kda kde kdk kdp kdr kdt ke- kea ked kee kei kek kep ker ket kia kid kie kii kik kip kir kit kke kki kkk kkp kkr kkt kpa kpd kpe kpi kpk kpp kpr kpt kra krd kri krk krp krr krt kta kte ktk ktp ktr ktt p-p paa pad pae pai pak pap par pat pda pdd pde pdi pdk pdp pdr pdt pea ped pee pei pek pep per pet pia pid pie pii pik pip pir pit pka pkd pke pki pkp pkr pkt ppa ppd ppe ppi ppk ppp ppr ppt pra prd pre pri prk prp prr prt pt- pta ptd pte pti ptk ptp ptr ptt ra- raa rad rae rai rak rap rar rat rda rdd rde rdi rdp rdr rdt re- rea red ree rei rek rep rer ret ria rid rie rii rik rip rir rit rke rkk rkp rkt rpa rpd rpe rpi rpk rpp rpr rpt rra rrd rri rrk rrp rrr rrt rta rtd rte rti rtk rtp rtr rtt taa tad tae tai tak tap tar tat tda tdd tde tdi tdk tdp tdr tdt te- tea ted tee tei tek tep ter tet tia tid tie tii tik tip tir tit tka tke tkk tkp tkr tkt tpa tpd tpe tpi tpk tpp tpr tpt tra trd tre tri trk trp trr trt tta ttd tte tti ttk ttp ttr ttt