a-a a-b a-i aaa aab aad aae aai aam aan aao aap ab- aba abb abd abe abi abm abn abo abp ad- ada adb add ade adi adm adn ado adp aea aeb aed aee aei aem aen aeo aep ai- aia aib aid aie aii aim ain aio aip ama amb amd ame ami amm amn amo amp an- ana anb and ane ani anm ann ano anp aoa aob aod aoe aoi aom aon aoo aop ap- apa apb apd ape api apm apn apo app b-p baa bab bad bae bai bam ban bao bap bba bbb bbd bbe bbi bbm bbn bbo bbp bda bdb bdd bde bdi bdm bdo bdp be- bea beb bed bee bei bem ben beo bep bi- bia bib bid bie bii bim bin bio bip bma bmb bmd bme bmi bmm bmn bmo bmp bna bnb bnd bne bni bnn bno bnp boa bob bod boe boi bom bon boo bop bpa bpb bpd bpe bpi bpm bpn bpo bpp daa dab dad dae dai dam dan dao dap dba dbb dbd dbe dbi dbm dbn dbo dbp dda ddb ddd dde ddi ddm ddn ddo ddp de- dea deb ded dee dei dem den deo dep di- dia dib did die dii dim din dio dip dma dmb dmd dme dmi dmm dmn dmo dmp dna dnb dnd dne dni dnm dnn dno dnp doa dob dod doe doi dom don doo dop dpa dpb dpd dpe dpi dpm dpn dpo dpp eaa eab ead eae eai eam ean eao eap eba ebb ebd ebe ebi ebm ebn ebo ebp ed- eda edb edd ede edi edm edn edo edp eea eeb eed eee eem een eeo eep eia eib eid eie eii eim ein eio eip em- ema emb emd eme emi emm emn emo emp en- ena enb end ene eni enm enn eno enp eo- eoa eob eod eoe eoi eom eon eoo eop ep- epa epb epd epe epi epm epn epo epp i-d ia- iaa iab iad iae iai iam ian iao iap iba ibb ibd ibe ibi ibm ibn ibo ibp ida idb idd ide idi idm idn ido idp ie- iea ied iee iei iem ien iep iia iib iid iie iii iim iin iio iip im- ima imb imd ime imi imm imn imo imp in- ina inb ind ine ini inm inn ino inp io- ioa iob iod ioe ioi iom ion ioo iop ipa ipb ipd ipe ipi ipm ipn ipo ipp m-o maa mab mad mae mai mam man mao map mba mbb mbd mbe mbi mbm mbo mbp mda mdb mdd mde mdi mdm mdn mdo mdp mea meb med mee mei mem men meo mep mi- mia mib mid mie mii mim min mio mip mma mmb mmd mme mmi mmm mmn mmo mmp mna mnb mne mni mnm mnn mno mnp moa mob mod moe moi mom mon moo mop mpa mpb mpd mpe mpi mpm mpn mpo mpp n-i naa nab nad nae nai nam nan nao nap nba nbb nbd nbe nbi nbm nbn nbo nbp nda ndb ndd nde ndi ndm ndn ndo ndp ne- nea neb ned nee nei nem nen neo nep nia nib nid nie nii nim nin nio nip nma nmb nmd nme nmi nmm nmn nmo nmp nna nnb nne nni nnm nnn nno nnp no- noa nob nod noe noi nom non noo nop npa npb npd npe npi npm npn npo npp o-i oaa oab oad oae oai oam oan oao oap ob- oba obb obd obe obi obm obn obo obp oda odb odd ode odi odm odn odo odp oea oeb oed oee oei oem oen oeo oep oia oib oid oie oii oim oin oio oip om- oma omb omd ome omi omm omn omo omp on- ona onb ond one oni onn ono onp oo- ooa oob ood ooi oom oon ooo oop op- opa opb opd ope opi opm opn opo opp p-p paa pab pad pae pai pam pan pao pap pba pbb pbd pbe pbi pbm pbn pbo pbp pda pdb pdd pde pdi pdm pdn pdo pdp pea peb ped pee pei pem pen peo pep pia pib pid pie pii pim pin pio pip pma pmb pmd pme pmi pmm pmn pmo pmp pn- pna pnb pnd pne pni pnm pnn pno pnp poa pob pod poe poi pom pon poo pop ppa ppb ppd ppe ppi ppm ppn ppo ppp