-er a-a a-b a-i aaa aab aad aae aah aai aam aao aap aar ab- aba abb abd abe abh abi abm abo abp abr ad- ada adb add ade adh adi adm ado adp adr aea aeb aed aee aeh aei aem aeo aep aer aha ahb ahd ahe ahh ahi ahm aho ahp ahr ai- aia aib aid aie aih aii aim aio aip air ama amb amd ame amh ami amm amo amp amr aoa aob aod aoe aoh aoi aom aoo aop aor ap- apa apb apd ape aph api apm apo app apr ar- ara arb ard are arh ari arm aro arp arr b-p baa bab bad bae bah bai bam bao bap bar bba bbb bbd bbe bbh bbi bbm bbo bbp bbr bda bdb bdd bde bdh bdi bdm bdo bdp bdr be- bea beb bed bee beh bei bem beo bep ber bha bhb bhd bhe bhh bhi bhm bho bhp bhr bi- bia bib bid bie bih bii bim bio bip bir bma bmb bmd bme bmh bmi bmm bmo bmp bmr boa bob bod boe boh boi bom boo bop bor bpa bpb bpd bpe bph bpi bpm bpo bpp bpr bra brb brd bre brh bri brm bro brp brr daa dab dad dae dah dai dam dao dap dar dba dbb dbd dbe dbh dbi dbm dbo dbp dbr dda ddb ddd dde ddh ddi ddm ddo ddp ddr de- dea deb ded dee deh dei dem deo dep der dh- dha dhb dhd dhe dhh dhi dhm dho dhp dhr di- dia dib did die dih dii dim dio dip dir dma dmb dmd dme dmh dmi dmm dmo dmp dmr doa dob dod doe doh doi dom doo dop dor dpa dpb dpd dpe dph dpi dpm dpo dpp dpr dra drb drd dre dri drm dro drp drr eaa eab ead eae eah eai eam eao eap ear eba ebb ebd ebe ebh ebi ebm ebo ebp ebr ed- eda edb edd ede edh edi edm edo edp edr eea eeb eed eee eem eeo eep eer eha ehb ehd ehe ehh ehi ehm eho ehp ehr eia eib eid eie eii eim eio eip eir em- ema emb emd eme emh emi emm emo emp emr eo- eoa eob eod eoe eoh eoi eom eoo eop eor ep- epa epb epd epe eph epi epm epo epp epr era erb erd ere erh eri erm ero erp err h-i haa hab had hae hah hai ham hao hap har hba hbb hbd hbe hbh hbi hbm hbo hbp hbr hda hdb hdd hde hdh hdi hdm hdo hdp hdr he- hea heb hed hee heh hei hem heo hep her hha hhb hhd hhe hhh hhi hhm hho hhp hhr hia hib hid hie hih hii him hio hip hir hma hmb hmd hme hmh hmi hmm hmo hmp hmr hoa hob hod hoe hoh hoi hom hoo hop hor hpa hpb hpd hpe hph hpi hpm hpo hpp hpr hr- hra hrb hrd hre hrh hri hrm hro hrp hrr i-d ia- iaa iab iad iae iah iai iam iao iap iar iba ibb ibd ibe ibh ibi ibm ibo ibp ibr ida idb idd ide idh idi idm ido idp idr ie- iea ied iee iei iem iep ier iha ihb ihd ihe ihh ihi ihm iho ihp ihr iia iib iid iie iih iii iim iio iip iir im- ima imb imd ime imh imi imm imo imp io- ioa iob iod ioe ioh ioi iom ioo iop ior ipa ipb ipd ipe ipi ipm ipo ipp ipr ir- ira irb ird ire iri irm iro irp irr m-o m-r maa mab mad mae mah mai mam mao map mar mba mbb mbd mbe mbh mbi mbm mbo mbp mbr mda mdb mdd mde mdh mdi mdm mdo mdp mdr mea meb med mee meh mei mem meo mep mer mha mhd mhh mhi mhm mho mhp mhr mi- mia mib mid mie mih mii mim mio mip mir mma mmb mmd mme mmh mmi mmm mmo mmp mmr moa mob mod moe moh moi mom moo mop mor mpa mpb mpd mpe mph mpi mpm mpo mpp mpr mra mrb mrd mre mrh mri mrm mro mrp mrr o-i oaa oab oad oae oah oai oam oao oap oar ob- oba obb obd obe obh obi obm obo obp obr oda odb odd ode odh odi odm odo odp odr oea oeb oed oee oeh oei oem oeo oep oer oha ohd ohe ohh ohi ohm oho ohp ohr oia oib oid oie oii oim oio oip oir om- oma omb omd ome omh omi omm omo omp omr oo- ooa oob ood ooh ooi oom ooo oop oor op- opa opb opd ope oph opi opm opo opp opr or- ora orb ord ore orh ori orm oro orp orr p-p paa pab pad pae pah pai pam pao pap par pba pbb pbd pbe pbi pbm pbo pbp pbr pda pdb pdd pde pdh pdi pdm pdo pdp pdr pea peb ped pee peh pei pem peo pep per pha phb phd phe phi phm pho php phr pia pib pid pie pih pii pim pio pip pir pma pmb pmd pme pmh pmi pmm pmo pmp pmr poa pob pod poe poh poi pom poo pop por ppa ppb ppd ppe pph ppi ppm ppo ppp ppr pra prb prd pre prh pri prm pro prp prr ra- raa rab rad rae rah rai ram rao rap rar rba rbb rbd rbe rbh rbi rbm rbo rbp rbr rda rdb rdd rde rdh rdi rdm rdo rdp rdr re- rea reb red ree reh rei rem reo rep rer rh- rha rhb rhd rhe rhh rhi rhm rho rhp rhr ria rib rid rie rih rii rim rio rip rir rma rmb rmd rme rmh rmi rmm rmo rmp rmr roa rob rod roe roh roi