a-a a-b a-i a-t aaa aab aai aak aam aan aao aap aar aat ab- aba abb abi abk abm abn abo abp abr abt ai- aia aib aii aik aim ain aio aip air ait aka akb aki akk akm akn ako akp akr ama amb ami amk amm amn amo amp amr amt an- ana anb ani ank anm ann ano anp anr ant aoa aob aoi aok aom aon aoo aop aor aot ap- apa apb api apk apm apn apo app apr apt ar- ara arb ari ark arm arn aro arp arr art at- ata atb ati atm atn ato atp atr att b-p baa bab bai bak bam ban bao bap bar bat bba bbb bbi bbk bbm bbn bbo bbp bbr bbt bi- bia bib bii bik bim bin bio bip bir bit bka bkb bkk bkm bkn bko bkp bkr bkt bma bmb bmi bmk bmm bmn bmo bmp bmr bmt bna bnb bni bnk bnn bno bnp bnr bnt boa bob boi bok bom bon boo bop bor bot bpa bpb bpi bpm bpn bpo bpp bpr bpt bra brb bri brk brm brn bro brp brr brt bta btb bti btk btm btn bto btp btr btt ia- iaa iab iai iam ian iao iap iar iat iba ibb ibi ibk ibm ibn ibo ibp ibr ibt iia iib iii iim iin iio iip iir iit ika ikb iki ikk iko ikr ikt im- ima imb imi imm imn imo imp imt in- ina inb ini ink inm inn ino inp inr int io- ioa iob ioi iom ion ioo iop ior iot ipa ipb ipi ipm ipn ipo ipp ipr ipt ir- ira irb iri irk irm irn iro irp irr irt ita itb iti itk itm itn ito itp itt k-t ka- kaa kab kai kak kam kan kao kap kar kat kba kbb kbi kbk kbm kbn kbo kbp kbr kia kib kii kik kim kin kio kip kir kit kkb kki kkk kkm kkn kkp kkr kkt kma kmb kmi kmk kmm kmo kmp kmt kn- kna kni knk knm knn kno knp knr knt koa kob koi kok kom kon koo kop kor kot kpa kpi kpk kpm kpn kpo kpp kpr kpt kra kri krk krn kro krp krr krt kta ktb ktk ktm ktn kto ktp ktr ktt m-o m-r maa mab mai mak mam man mao map mar mat mba mbb mbi mbk mbm mbo mbp mbr mbt mi- mia mib mii mik mim min mio mip mir mit mka mkb mkk mkm mkn mko mkp mkr mkt mma mmb mmi mmk mmm mmn mmo mmp mmr mmt mna mnb mni mnk mnm mnn mno mnp mnr mnt moa mob moi mok mom mon moo mop mor mot mpa mpb mpi mpk mpm mpn mpo mpp mpr mpt mra mrb mri mrk mrm mrn mro mrp mrr mrt mta mtb mti mtk mtm mtn mto mtp mtr mtt n-i naa nab nai nak nam nan nao nap nar nat nba nbb nbi nbk nbm nbn nbo nbp nbr nbt nia nib nii nik nim nin nio nip nir nit nka nki nkk nkm nkn nko nkp nkr nkt nma nmb nmi nmk nmm nmn nmo nmp nmr nmt nna nnb nni nnk nnm nnn nno nnp nnt no- noa nob noi nok nom non noo nop nor not npa npb npi npm npn npo npp npr npt nra nrb nri nrk nrm nrn nro nrp nrr nrt nta ntb nti ntk ntm ntn nto ntp ntr ntt o-i oaa oab oai oak oam oan oao oap oar oat ob- oba obb obi obk obm obn obo obp obr obt oia oib oii oik oim oin oio oip oir oit oka okb oki okk oko okp okr om- oma omb omi omm omn omo omp omr omt on- ona onb oni onk onn ono onp onr ont oo- ooa oob ooi ook oom oon ooo oop oor oot op- opa opb opi opk opm opn opo opp opr opt or- ora orb ori ork orm orn oro orp orr ort ot- ota otb oti otk otm otn oto otp otr ott p-p paa pab pai pak pam pan pao pap par pat pba pbb pbi pbk pbm pbn pbo pbp pbr pbt pia pib pii pik pim pin pio pip pir pit pka pkb pki pkm pkn pko pkp pkr pkt pma pmb pmi pmk pmm pmn pmo pmp pmr pmt pn- pna pnb pni pnk pnm pnn pno pnp pnr pnt poa pob poi pok pom pon poo pop por pot ppa ppb ppi ppk ppm ppn ppo ppp ppr ppt pra prb pri prk prm prn pro prp prr prt pt- pta ptb pti ptk ptm ptn pto ptp ptr ptt ra- raa rab rai rak ram ran rao rap rar rat rba rbb rbi rbk rbm rbn rbo rbp rbr rbt ria rib rii rik rim rin rio rip rir rit rkb rkk rkm rko rkp rkt rma rmb rmi rmm rmn rmo rmp rmr rmt rna rnb rni rnm rnn rno rnp rnr rnt roa rob roi rok rom ron roo rop ror rot rpa rpb rpi rpk rpm rpn rpo rpp rpr rpt rra rrb rri rrk rrm rrn rrp rrr rrt rta rtb rti rtk rtm rtn rto rtp rtr rtt taa tab tai tak tam tan tao tap tar tat tba tbb tbi tbk tbm tbn tbo tbp tbr tbt tia tib tii tik tim tin tio tip tir tit tka tkb tkk tkm tko tkp tkr tkt tma tmb tmi tmk tmm tmn tmo tmp tmr tmt tna tnb tni tnk tnm tnn tno tnp tnr tnt to- toa tob toi tok tom ton too top tor tot tpa tpb tpi tpk tpm tpn tpo tpp tpr tpt tra trb tri trk trm trn tro trp trr trt tta ttb tti ttk ttm ttn tto ttp ttr ttt

-ana -nik a-ak a-ii a-ok aaaa aaab