-er a-a a-b a-i aaa aab aae aah aai aam aan aao aap aar ab- aba abb abe abh abi abm abn abo abp abr aea aeb aee aeh aei aem aen aeo aep aer aha ahb ahe ahh ahi ahm ahn aho ahp ahr ai- aia aib aie aih aii aim ain aio aip air ama amb ame amh ami amm amn amo amp amr an- ana anb ane anh ani anm ann ano anp anr aoa aob aoe aoh aoi aom aon aoo aop aor ap- apa apb ape aph api apm apn apo app apr ar- ara arb are arh ari arm arn aro arp arr b-p baa bab bae bah bai bam ban bao bap bar bba bbb bbe bbh bbi bbm bbn bbo bbp bbr be- bea beb bee beh bei bem ben beo bep ber bha bhb bhe bhh bhi bhm bho bhp bhr bi- bia bib bie bih bii bim bin bio bip bir bma bmb bme bmh bmi bmm bmn bmo bmp bmr bna bnb bne bni bnn bno bnp bnr boa bob boe boh boi bom bon boo bop bor bpa bpb bpe bph bpi bpm bpn bpo bpp bpr bra brb bre brh bri brm brn bro brp brr eaa eab eae eah eai eam ean eao eap ear eba ebb ebe ebh ebi ebm ebn ebo ebp ebr eea eeb eee eem een eeo eep eer eha ehb ehe ehh ehi ehm ehn eho ehp ehr eia eib eie eii eim ein eio eip eir em- ema emb eme emh emi emm emn emo emp emr en- ena enb ene enh eni enm enn eno enp enr eo- eoa eob eoe eoh eoi eom eon eoo eop eor ep- epa epb epe eph epi epm epn epo epp epr era erb ere erh eri erm ern ero erp err h-i haa hab hae hah hai ham han hao hap har hba hbb hbe hbh hbi hbm hbn hbo hbp hbr he- hea heb hee heh hei hem hen heo hep her hha hhb hhe hhh hhi hhm hhn hho hhp hhr hia hib hie hih hii him hin hio hip hir hma hmb hme hmh hmi hmm hmo hmp hmr hna hnb hne hnh hnn hno hoa hob hoe hoh hoi hom hon hoo hop hor hpa hpb hpe hph hpi hpm hpn hpo hpp hpr hr- hra hrb hre hrh hri hrm hrn hro hrp hrr ia- iaa iab iae iah iai iam ian iao iap iar iba ibb ibe ibh ibi ibm ibn ibo ibp ibr ie- iea iee iei iem ien iep ier iha ihb ihe ihh ihi ihm ihn iho ihp ihr iia iib iie iih iii iim iin iio iip iir im- ima imb ime imh imi imm imn imo imp in- ina inb ine inh ini inm inn ino inp inr io- ioa iob ioe ioh ioi iom ion ioo iop ior ipa ipb ipe ipi ipm ipn ipo ipp ipr ir- ira irb ire iri irm irn iro irp irr m-o m-r maa mab mae mah mai mam man mao map mar mba mbb mbe mbh mbi mbm mbo mbp mbr mea meb mee meh mei mem men meo mep mer mha mhh mhi mhm mhn mho mhp mhr mi- mia mib mie mih mii mim min mio mip mir mma mmb mme mmh mmi mmm mmn mmo mmp mmr mna mnb mne mni mnm mnn mno mnp mnr moa mob moe moh moi mom mon moo mop mor mpa mpb mpe mph mpi mpm mpn mpo mpp mpr mra mrb mre mrh mri mrm mrn mro mrp mrr n-i naa nab nae nah nai nam nan nao nap nar nba nbb nbe nbi nbm nbn nbo nbp nbr ne- nea neb nee neh nei nem nen neo nep ner nha nhb nhe nhh nhi nhm nhn nhp nhr nia nib nie nih nii nim nin nio nip nir nma nmb nme nmh nmi nmm nmn nmo nmp nmr nna nnb nne nnh nni nnm nnn nno nnp no- noa nob noe noh noi nom non noo nop nor npa npb npe nph npi npm npn npo npp npr nra nrb nre nri nrm nrn nro nrp nrr o-i oaa oab oae oah oai oam oan oao oap oar ob- oba obb obe obh obi obm obn obo obp obr oea oeb oee oeh oei oem oen oeo oep oer oha ohe ohh ohi ohm ohn oho ohp ohr oia oib oie oii oim oin oio oip oir om- oma omb ome omh omi omm omn omo omp omr on- ona onb one onh oni onn ono onp onr oo- ooa oob ooh ooi oom oon ooo oop oor op- opa opb ope oph opi opm opn opo opp opr or- ora orb ore orh ori orm orn oro orp orr p-p paa pab pae pah pai pam pan pao pap par pba pbb pbe pbi pbm pbn pbo pbp pbr pea peb pee peh pei pem pen peo pep per pha phb phe phi phm phn pho php phr pia pib pie pih pii pim pin pio pip pir pma pmb pme pmh pmi pmm pmn pmo pmp pmr pn- pna pnb pne pnh pni pnm pnn pno pnp pnr poa pob poe poh poi pom pon poo pop por ppa ppb ppe pph ppi ppm ppn ppo ppp ppr pra prb pre prh pri prm prn pro prp prr ra- raa rab rae rah rai ram ran rao rap rar rba rbb rbe rbh rbi rbm rbn rbo rbp rbr re- rea reb ree reh rei rem ren reo rep rer rh- rha rhb rhe rhh rhi rhm rhn rho rhp rhr ria rib rie rih rii rim rin rio rip rir rma rmb rme rmh rmi rmm rmn rmo rmp rmr rna rnb rnh rni rnm rnn rno rnp rnr roa rob roe roh roi rom ron roo rop ror rpa rpb rpe rph rpi rpm rpn rpo rpp