-er a-a a-b a-i aaa aab aae aag aah aai aam aao aap aar ab- aba abb abe abg abh abi abm abo abp abr aea aeb aee aeg aeh aei aem aeo aep aer ag- aga agb age agg agh agi agm ago agp agr aha ahb ahe ahg ahh ahi ahm aho ahp ahr ai- aia aib aie aig aih aii aim aio aip air ama amb ame amg amh ami amm amo amp amr aoa aob aoe aog aoh aoi aom aoo aop aor ap- apa apb ape apg aph api apm apo app apr ar- ara arb are arg arh ari arm aro arp arr b-p baa bab bae bag bah bai bam bao bap bar bba bbb bbe bbg bbh bbi bbm bbo bbp bbr be- bea beb bee beg beh bei bem beo bep ber bga bgb bge bgg bgh bgi bgm bgo bgp bgr bha bhb bhe bhg bhh bhi bhm bho bhp bhr bi- bia bib bie big bih bii bim bio bip bir bma bmb bme bmg bmh bmi bmm bmo bmp bmr boa bob boe bog boh boi bom boo bop bor bpa bpb bpe bpg bph bpi bpm bpo bpp bpr bra brb bre brg brh bri brm bro brp brr eaa eab eae eag eah eai eam eao eap ear eba ebb ebe ebg ebh ebi ebm ebo ebp ebr eea eeb eee eeg eem eeo eep eer ega egb ege egg egh egi egm ego egp egr eha ehb ehe ehg ehh ehi ehm eho ehp ehr eia eib eie eig eii eim eio eip eir em- ema emb eme emg emh emi emm emo emp emr eo- eoa eob eoe eog eoh eoi eom eoo eop eor ep- epa epb epe epg eph epi epm epo epp epr era erb ere erg erh eri erm ero erp err g-p gaa gab gae gag gah gai gam gao gap gar gba gbe gbg gbh gbi gbm gbo gbp gbr ge- gea geb gee geg geh gei gem geo gep ger gga ggb ggg ggh ggi ggm ggo ggp ggr gha ghb ghe ghg ghh ghi gho ghp ghr gia gib gie gig gih gii gim gio gip gir gma gmb gme gmg gmh gmi gmm gmo gmp gmr goa gob goe gog goh goi gom goo gop gor gpa gpb gpe gpg gph gpi gpm gpo gpp gpr gra grb gre grg grh gri grm gro grp grr h-i haa hab hae hag hah hai ham hao hap har hba hbb hbe hbg hbh hbi hbm hbo hbp hbr he- hea heb hee heg heh hei hem heo hep her hga hgb hge hgg hgh hgi hgm hgo hgp hgr hha hhb hhe hhg hhh hhi hhm hho hhp hhr hia hib hie hig hih hii him hio hip hir hma hmb hme hmg hmh hmi hmm hmo hmp hmr hoa hob hoe hog hoh hoi hom hoo hop hor hpa hpb hpe hpg hph hpi hpm hpo hpp hpr hr- hra hrb hre hrg hrh hri hrm hro hrp hrr ia- iaa iab iae iag iah iai iam iao iap iar iba ibb ibe ibg ibh ibi ibm ibo ibp ibr ie- iea iee ieg iei iem iep ier iga igb ige igg igh igi igm igo igp igr iha ihb ihe ihg ihh ihi ihm iho ihp ihr iia iib iie iih iii iim iio iip iir im- ima imb ime img imh imi imm imo imp io- ioa iob ioe iog ioh ioi iom ioo iop ior ipa ipb ipe ipg ipi ipm ipo ipp ipr ir- ira irb ire irg iri irm iro irp irr m-o m-r maa mab mae mag mah mai mam mao map mar mba mbb mbe mbg mbh mbi mbm mbo mbp mbr mea meb mee meg meh mei mem meo mep mer mga mgb mge mgh mgi mgm mgo mgp mgr mha mhg mhh mhi mhm mho mhp mhr mi- mia mib mie mig mih mii mim mio mip mir mma mmb mme mmg mmh mmi mmm mmo mmp mmr moa mob moe mog moh moi mom moo mop mor mpa mpb mpe mpg mph mpi mpm mpo mpp mpr mra mrb mre mrg mrh mri mrm mro mrp mrr o-i oaa oab oae oag oah oai oam oao oap oar ob- oba obb obe obg obh obi obm obo obp obr oea oeb oee oeg oeh oei oem oeo oep oer oga oge ogg ogh ogi ogo ogp oha ohe ohg ohh ohi ohm oho ohp ohr oia oib oie oii oim oio oip oir om- oma omb ome omg omh omi omm omo omp omr oo- ooa oob oog ooh ooi oom ooo oop oor op- opa opb ope opg oph opi opm opo opp opr or- ora orb ore org orh ori orm oro orp orr p-p paa pab pae pag pah pai pam pao pap par pba pbb pbe pbg pbi pbm pbo pbp pbr pea peb pee peg peh pei pem peo pep per pga pgb pge pgg pgh pgi pgm pgo pgp pgr pha phb phe phg phi phm pho php phr pia pib pie pig pih pii pim pio pip pir pma pmb pme pmg pmh pmi pmm pmo pmp pmr poa pob poe pog poh poi pom poo pop por ppa ppb ppe ppg pph ppi ppm ppo ppp ppr pra prb pre prg prh pri prm pro prp prr ra- raa rab rae rag rah rai ram rao rap rar rba rbb rbe rbg rbh rbi rbm rbo rbp rbr re- rea reb ree reg reh rei rem reo rep rer rga rgb rge rgg rgh rgi rgo rgp rgr rh- rha rhb rhe rhg rhh rhi rhm rho rhp rhr ria rib rie rig rih rii rim rio rip rir rma rmb rme rmg rmh rmi rmm rmo rmp rmr roa rob roe rog roh roi rom roo rop ror rpa rpb rpe rpg rph rpi rpm rpo