-er a-a a-b aaa aab aad aae aah aam aap aar ab- aba abb abd abe abh abm abp abr ad- ada adb add ade adh adm adp adr aea aeb aed aee aeh aem aep aer aha ahb ahd ahe ahh ahm ahp ahr ama amb amd ame amh amm amp amr ap- apa apb apd ape aph apm app apr ar- ara arb ard are arh arm arp arr b-p baa bab bad bae bah bam bap bar bba bbb bbd bbe bbh bbm bbp bbr bda bdb bdd bde bdh bdm bdp bdr be- bea beb bed bee beh bem bep ber bha bhb bhd bhe bhh bhm bhp bhr bma bmb bmd bme bmh bmm bmp bmr bpa bpb bpd bpe bph bpm bpp bpr bra brb brd bre brh brm brp brr daa dab dad dae dah dam dap dar dba dbb dbd dbe dbh dbm dbp dbr dda ddb ddd dde ddh ddm ddp ddr de- dea deb ded dee deh dem dep der dh- dha dhb dhd dhe dhh dhm dhp dhr dma dmb dmd dme dmh dmm dmp dmr dpa dpb dpd dpe dph dpm dpp dpr dra drb drd dre drm drp drr eaa eab ead eae eah eam eap ear eba ebb ebd ebe ebh ebm ebp ebr ed- eda edb edd ede edh edm edp edr eea eeb eed eee eem eep eer eha ehb ehd ehe ehh ehm ehp ehr em- ema emb emd eme emh emm emp emr ep- epa epb epd epe eph epm epp epr era erb erd ere erh erm erp err haa hab had hae hah ham hap har hba hbb hbd hbe hbh hbm hbp hbr hda hdb hdd hde hdh hdm hdp hdr he- hea heb hed hee heh hem hep her hha hhb hhd hhe hhh hhm hhp hhr hma hmb hmd hme hmh hmm hmp hmr hpa hpb hpd hpe hph hpm hpp hpr hr- hra hrb hrd hre hrh hrm hrp hrr m-r maa mab mad mae mah mam map mar mba mbb mbd mbe mbh mbm mbp mbr mda mdb mdd mde mdh mdm mdp mdr mea meb med mee meh mem mep mer mha mhd mhh mhm mhp mhr mma mmb mmd mme mmh mmm mmp mmr mpa mpb mpd mpe mph mpm mpp mpr mra mrb mrd mre mrh mrm mrp mrr p-p paa pab pad pae pah pam pap par pba pbb pbd pbe pbm pbp pbr pda pdb pdd pde pdh pdm pdp pdr pea peb ped pee peh pem pep per pha phb phd phe phm php phr pma pmb pmd pme pmh pmm pmp pmr ppa ppb ppd ppe pph ppm ppp ppr pra prb prd pre prh prm prp prr ra- raa rab rad rae rah ram rap rar rba rbb rbd rbe rbh rbm rbp rbr rda rdb rdd rde rdh rdm rdp rdr re- rea reb red ree reh rem rep rer rh- rha rhb rhd rhe rhh rhm rhp rhr rma rmb rmd rme rmh rmm rmp rmr rpa rpb rpd rpe rph rpm rpp rpr rra rrb rrd rrh rrm rrp rrr