a-a a-b a-i a-t aaa aab aae aai aak aam aan aao aap aat ab- aba abb abe abi abk abm abn abo abp abt aea aeb aee aei aek aem aen aeo aep aet ai- aia aib aie aii aik aim ain aio aip ait aka akb ake aki akk akm akn ako akp ama amb ame ami amk amm amn amo amp amt an- ana anb ane ani ank anm ann ano anp ant aoa aob aoe aoi aok aom aon aoo aop aot ap- apa apb ape api apk apm apn apo app apt at- ata atb ate ati atm atn ato atp att b-p baa bab bae bai bak bam ban bao bap bat bba bbb bbe bbi bbk bbm bbn bbo bbp bbt be- bea beb bee bei bek bem ben beo bep bet bi- bia bib bie bii bik bim bin bio bip bit bka bkb bke bkk bkm bkn bko bkp bkt bma bmb bme bmi bmk bmm bmn bmo bmp bmt bna bnb bne bni bnk bnn bno bnp bnt boa bob boe boi bok bom bon boo bop bot bpa bpb bpe bpi bpm bpn bpo bpp bpt bta btb bte bti btk btm btn bto btp btt eaa eab eae eai eak eam ean eao eap eat eba ebb ebe ebi ebk ebm ebn ebo ebp ebt eea eeb eee eek eem een eeo eep eet eia eib eie eii eik eim ein eio eip eit eka ekb eke eki eko ekp ekt em- ema emb eme emi emk emm emn emo emp emt en- ena enb ene eni enk enm enn eno enp ent eo- eoa eob eoe eoi eok eom eon eoo eop eot ep- epa epb epe epi epm epn epo epp ept eta etb ete eti etk etm etn eto etp ett ia- iaa iab iae iai iam ian iao iap iat iba ibb ibe ibi ibk ibm ibn ibo ibp ibt ie- iea iee iei iek iem ien iep iet iia iib iie iii iim iin iio iip iit ika ikb ike iki ikk iko ikt im- ima imb ime imi imm imn imo imp imt in- ina inb ine ini ink inm inn ino inp int io- ioa iob ioe ioi iom ion ioo iop iot ipa ipb ipe ipi ipm ipn ipo ipp ipt ita itb ite iti itk itm itn ito itp itt k-t ka- kaa kab kae kai kak kam kan kao kap kat kba kbb kbe kbi kbk kbm kbn kbo kbp ke- kea keb kee kei kek kem ken keo kep ket kia kib kie kii kik kim kin kio kip kit kkb kke kki kkk kkm kkn kkp kkt kma kmb kme kmi kmk kmm kmo kmp kmt kn- kna kne kni knk knm knn kno knp knt koa kob koe koi kok kom kon koo kop kot kpa kpe kpi kpk kpm kpn kpo kpp kpt kta ktb kte ktk ktm ktn kto ktp ktt m-o maa mab mae mai mak mam man mao map mat mba mbb mbe mbi mbk mbm mbo mbp mbt mea meb mee mei mek mem men meo mep met mi- mia mib mie mii mik mim min mio mip mit mka mkb mke mkk mkm mkn mko mkp mkt mma mmb mme mmi mmk mmm mmn mmo mmp mmt mna mnb mne mni mnk mnm mnn mno mnp mnt moa mob moe moi mok mom mon moo mop mot mpa mpb mpe mpi mpk mpm mpn mpo mpp mpt mta mtb mte mti mtk mtm mtn mto mtp mtt n-i naa nab nae nai nak nam nan nao nap nat nba nbb nbe nbi nbk nbm nbn nbo nbp nbt ne- nea neb nee nei nek nem nen neo nep net nia nib nie nii nik nim nin nio nip nit nka nke nki nkk nkm nkn nko nkp nkt nma nmb nme nmi nmk nmm nmn nmo nmp nmt nna nnb nne nni nnk nnm nnn nno nnp nnt no- noa nob noe noi nok nom non noo nop not npa npb npe npi npm npn npo npp npt nta ntb nte nti ntk ntm ntn nto ntp ntt o-i oaa oab oae oai oak oam oan oao oap oat ob- oba obb obe obi obk obm obn obo obp obt oea oeb oee oei oem oen oeo oep oet oia oib oie oii oik oim oin oio oip oit oka okb oke oki okk oko okp om- oma omb ome omi omm omn omo omp omt on- ona onb one oni onk onn ono onp ont oo- ooa oob ooi ook oom oon ooo oop oot op- opa opb ope opi opk opm opn opo opp opt ot- ota otb ote oti otk otm otn oto otp ott p-p paa pab pae pai pak pam pan pao pap pat pba pbb pbe pbi pbk pbm pbn pbo pbp pbt pea peb pee pei pek pem pen peo pep pet pia pib pie pii pik pim pin pio pip pit pka pkb pke pki pkm pkn pko pkp pkt pma pmb pme pmi pmk pmm pmn pmo pmp pmt pn- pna pnb pne pni pnk pnm pnn pno pnp pnt poa pob poe poi pok pom pon poo pop pot ppa ppb ppe ppi ppk ppm ppn ppo ppp ppt pt- pta ptb pte pti ptk ptm ptn pto ptp ptt taa tab tae tai tak tam tan tao tap tat tba tbb tbe tbi tbk tbm tbn tbo tbp tbt te- tea teb tee tei tek tem ten teo tep tet tia tib tie tii tik tim tin tio tip tit tka tkb tke tkk tkm tko tkp tkt tma tmb tme tmi tmk tmm tmn tmo tmp tmt tna tnb tne tni tnk tnm tnn tno tnp tnt to- toa tob toe toi tok tom ton too top tot tpa tpb tpe tpi tpk tpm tpn tpo tpp tpt tta ttb tte tti ttk ttm ttn tto ttp