-er a-a a-i aaa aad aae aai aam aap aar ad- ada add ade adi adm adp adr aea aed aee aei aem aep aer ai- aia aid aie aii aim aip air ama amd ame ami amm amp amr ap- apa apd ape api apm app apr ar- ara ard are ari arm arp arr daa dad dae dai dam dap dar dda ddd dde ddi ddm ddp ddr de- dea ded dee dei dem dep der di- dia did die dii dim dip dir dma dmd dme dmi dmm dmp dmr dpa dpd dpe dpi dpm dpp dpr dra drd dre dri drm drp drr eaa ead eae eai eam eap ear ed- eda edd ede edi edm edp edr eea eed eee eem eep eer eia eid eie eii eim eip eir em- ema emd eme emi emm emp emr ep- epa epd epe epi epm epp epr era erd ere eri erm erp err i-d ia- iaa iad iae iai iam iap iar ida idd ide idi idm idp idr ie- iea ied iee iei iem iep ier iia iid iie iii iim iip iir im- ima imd ime imi imm imp ipa ipd ipe ipi ipm ipp ipr ir- ira ird ire iri irm irp irr m-r maa mad mae mai mam map mar mda mdd mde mdi mdm mdp mdr mea med mee mei mem mep mer mi- mia mid mie mii mim mip mir mma mmd mme mmi mmm mmp mmr mpa mpd mpe mpi mpm mpp mpr mra mrd mre mri mrm mrp mrr p-p paa pad pae pai pam pap par pda pdd pde pdi pdm pdp pdr pea ped pee pei pem pep per pia pid pie pii pim pip pir pma pmd pme pmi pmm pmp pmr ppa ppd ppe ppi ppm ppp ppr pra prd pre pri prm prp prr ra- raa rad rae rai ram rap rar rda rdd rde rdi rdm rdp rdr re- rea red ree rei rem rep rer ria rid rie rii rim rip rir rma rmd rme rmi rmm rmp rmr rpa rpd rpe rpi rpm rpp rpr rra rrd rri rrm rrp rrr