a-a a-b a-i a-t aaa aab aag aai aak aan aao aap aar aas aat ab- aba abb abg abi abk abn abo abp abr abs abt ag- aga agb agg agi agk agn ago agp agr ags agt ai- aia aib aig aii aik ain aio aip air ais ait aka akb akg aki akk akn ako akp akr aks an- ana anb ang ani ank ann ano anp anr ans ant aoa aob aog aoi aok aon aoo aop aor aos aot ap- apa apb apg api apk apn apo app apr aps apt ar- ara arb arg ari ark arn aro arp arr ars art as- asa asb asg asi ask asn aso asp asr ass ast at- ata atb atg ati atn ato atp atr ats att b-p baa bab bag bai bak ban bao bap bar bas bat bba bbb bbg bbi bbk bbn bbo bbp bbr bbs bbt bga bgb bgg bgi bgk bgn bgo bgp bgr bgs bgt bi- bia bib big bii bik bin bio bip bir bis bit bka bkb bkg bkk bkn bko bkp bkr bks bkt bna bnb bng bni bnk bnn bno bnp bnr bns bnt boa bob bog boi bok bon boo bop bor bos bot bpa bpb bpg bpi bpn bpo bpp bpr bps bpt bra brb brg bri brk brn bro brp brr brs brt bsa bsb bsg bsi bsk bsn bso bsp bsr bss bst bta btb btg bti btk btn bto btp btr bts btt g-p gaa gab gag gai gak gan gao gap gar gas gat gba gbg gbi gbk gbn gbo gbp gbr gbs gbt gga ggb ggg ggi ggn ggo ggp ggr ggs ggt gia gib gig gii gik gin gio gip gir gis git gka gkb gkn gko gkp gks gkt gna gnb gni gnn gno gnp gnr gns gnt goa gob gog goi gok gon goo gop gor gos got gpa gpb gpg gpi gpk gpn gpo gpp gpr gps gpt gra grb grg gri grk grn gro grp grr grs grt gsa gsb gsg gsi gsk gsn gso gsp gsr gss gst gta gtb gtg gti gtk gtn gto gtp gtr gts gtt ia- iaa iab iag iai ian iao iap iar ias iat iba ibb ibg ibi ibk ibn ibo ibp ibr ibs ibt iga igb igg igi igk ign igo igp igr igs igt iia iib iii iin iio iip iir iis iit ika ikb iki ikk iko ikr iks ikt in- ina inb ing ini ink inn ino inp inr ins int io- ioa iob iog ioi ion ioo iop ior ios iot ipa ipb ipg ipi ipn ipo ipp ipr ips ipt ir- ira irb irg iri irk irn iro irp irr irs irt is- isa isb isg isi isk isn iso isp isr iss ist ita itb itg iti itk itn ito itp its itt k-t ka- kaa kab kag kai kak kan kao kap kar kas kat kba kbb kbi kbk kbn kbo kbp kbr kbs kga kgb kgi kgo kgp kgs kia kib kig kii kik kin kio kip kir kis kit kkb kki kkk kkn kkp kkr kks kkt kn- kna kng kni knk knn kno knp knr knt koa kob kog koi kok kon koo kop kor kos kot kpa kpi kpk kpn kpo kpp kpr kps kpt kra krg kri krk krn kro krp krr krs krt ksa ksb ksg ksi ksk ksn kso ksp ksr kss kst kta ktb ktg ktk ktn kto ktp ktr kts ktt n-i naa nab nag nai nak nan nao nap nar nas nat nba nbb nbg nbi nbk nbn nbo nbp nbr nbs nbt nga ngb ngg ngi ngk ngn ngo ngp ngs ngt nia nib nig nii nik nin nio nip nir nis nit nka nki nkk nkn nko nkp nkr nks nkt nna nnb nng nni nnk nnn nno nnp nns nnt no- noa nob nog noi nok non noo nop nor nos not npa npb npg npi npn npo npp npr nps npt nra nrb nrg nri nrk nrn nro nrp nrr nrs nrt nsa nsb nsg nsi nsk nsn nso nsp nsr nss nst nta ntb ntg nti ntk ntn nto ntp ntr nts ntt o-i oaa oab oag oai oak oan oao oap oar oas oat ob- oba obb obg obi obk obn obo obp obr obs obt oga ogg ogi ogn ogo ogp ogs ogt oia oib oii oik oin oio oip oir ois oit oka okb okg oki okk oko okp okr oks on- ona onb ong oni onk onn ono onp onr ons ont oo- ooa oob oog ooi ook oon ooo oop oor oos oot op- opa opb opg opi opk opn opo opp opr ops opt or- ora orb org ori ork orn oro orp orr ors ort os- osa osb osg osi osk osn oso osp osr oss ost ot- ota otb otg oti otk otn oto otp otr ots ott p-p paa pab pag pai pak pan pao pap par pas pat pba pbb pbg pbi pbk pbn pbo pbp pbr pbs pbt pga pgb pgg pgi pgk pgn pgo pgp pgr pgs pgt pia pib pig pii pik pin pio pip pir pis pit pka pkb pkg pki pkn pko pkp pkr pks pkt pn- pna pnb png pni pnk pnn pno pnp pnr pns pnt poa pob pog poi pok pon poo pop por pos pot ppa ppb ppg ppi ppk ppn ppo ppp ppr pps ppt pra prb prg pri prk prn pro prp prr prs prt ps- psa psb psg psi psk psn pso psp psr pss pst pt- pta ptb ptg pti ptk ptn pto ptp ptr pts ptt ra- raa rab rag rai rak ran rao rap rar ras rat rba rbb rbg rbi rbk rbn rbo rbp rbr rbs rbt rga rgb rgg rgi rgk rgn rgo rgp rgr rgs rgt ria rib rig rii rik rin rio rip rir ris