-ic a-a a-b a-c a-i a-t aaa aab aac aag aai aak aan aao aap aar aat ab- aba abb abc abg abi abk abn abo abp abr abt ac- aca acb acc acg aci ack acn aco acp acr act ag- aga agb agc agg agi agk agn ago agp agr agt ai- aia aib aic aig aii aik ain aio aip air ait aka akb akc akg aki akk akn ako akp akr an- ana anb anc ang ani ank ann ano anp anr ant aoa aob aoc aog aoi aok aon aoo aop aor aot ap- apa apb apc apg api apk apn apo app apr apt ar- ara arb arc arg ari ark arn aro arp arr art at- ata atb atc atg ati atn ato atp atr att b-p baa bab bac bag bai bak ban bao bap bar bat bba bbb bbc bbg bbi bbk bbn bbo bbp bbr bbt bca bcb bcc bcg bci bck bcn bco bcp bcr bct bga bgb bgc bgg bgi bgk bgn bgo bgp bgr bgt bi- bia bib bic big bii bik bin bio bip bir bit bka bkb bkc bkg bkk bkn bko bkp bkr bkt bna bnb bnc bng bni bnk bnn bno bnp bnr bnt boa bob boc bog boi bok bon boo bop bor bot bpa bpb bpc bpg bpi bpn bpo bpp bpr bpt bra brb brg bri brk brn bro brp brr brt bta btb btc btg bti btk btn bto btp btr btt c-- caa cab cac cag cai cak can cao cap car cat cba cbb cbc cbg cbi cbk cbn cbo cbp cbr cbt cca ccb ccc ccg cci cck ccn cco ccp ccr cct cga cgb cgc cgg cgi cgn cgo cgp cgr cgt ci- cia cib cic cig cii cik cin cio cip cir cit cka ckb ckc cki cko ckt cn- cna cnb cnc cng cni cnn cno cnp cnr cnt co- coa cob coc cog coi cok con coo cop cor cot cpa cpb cpc cpg cpi cpk cpn cpo cpp cpr cpt cra crb crc crg cri crk crn cro crp crr crt cta ctb ctc ctg cti ctk ctn cto ctp ctr ctt g-p gaa gab gac gag gai gak gan gao gap gar gat gba gbc gbg gbi gbk gbn gbo gbp gbr gbt gca gcb gcc gcg gci gck gcn gco gcp gcr gct gga ggb ggc ggg ggi ggn ggo ggp ggr ggt gia gib gic gig gii gik gin gio gip gir git gka gkb gkn gko gkp gkt gna gnb gnc gni gnn gno gnp gnr gnt goa gob goc gog goi gok gon goo gop gor got gpa gpb gpc gpg gpi gpk gpn gpo gpp gpr gpt gra grb grc grg gri grk grn gro grp grr grt gta gtb gtc gtg gti gtk gtn gto gtp gtr gtt ia- iaa iab iac iag iai ian iao iap iar iat iba ibb ibc ibg ibi ibk ibn ibo ibp ibr ibt ica icb icc icg ici ick icn ico icp icr ict iga igb igc igg igi igk ign igo igp igr igt iia iib iic iii iin iio iip iir iit ika ikb ikc iki ikk iko ikr ikt in- ina inb inc ing ini ink inn ino inp inr int io- ioa iob ioc iog ioi ion ioo iop ior iot ipa ipb ipc ipg ipi ipn ipo ipp ipr ipt ir- ira irb irc irg iri irk irn iro irp irr irt ita itb itc itg iti itk itn ito itp itt k-t ka- kaa kab kac kag kai kak kan kao kap kar kat kba kbb kbc kbi kbk kbn kbo kbp kbr kca kcb kcc kcg kci kck kcn kcp kcr kct kga kgb kgc kgi kgo kgp kia kib kic kig kii kik kin kio kip kir kit kkb kkc kki kkk kkn kkp kkr kkt kn- kna knc kng kni knk knn kno knp knr knt koa kob koc kog koi kok kon koo kop kor kot kpa kpc kpi kpk kpn kpo kpp kpr kpt kra krc krg kri krk krn kro krp krr krt kta ktb ktc ktg ktk ktn kto ktp ktr ktt n-i naa nab nac nag nai nak nan nao nap nar nat nba nbb nbc nbg nbi nbk nbn nbo nbp nbr nbt nca ncb ncc ncg nci nck ncn nco ncp ncr nct nga ngb ngc ngg ngi ngk ngn ngo ngp ngt nia nib nic nig nii nik nin nio nip nir nit nka nkc nki nkk nkn nko nkp nkr nkt nna nnb nnc nng nni nnk nnn nno nnp nnt no- noa nob noc nog noi nok non noo nop nor not npa npb npc npg npi npn npo npp npr npt nra nrb nrc nrg nri nrk nrn nro nrp nrr nrt nta ntb ntc ntg nti ntk ntn nto ntp ntr ntt o-i oaa oab oac oag oai oak oan oao oap oar oat ob- oba obb obc obg obi obk obn obo obp obr obt oc- oca ocb occ ocg oci ock ocn oco ocp ocr oct oga ogc ogg ogi ogn ogo ogp ogt oia oib oic oii oik oin oio oip oir oit oka okb okc okg oki okk oko okp okr on- ona onb onc ong oni onk onn ono onp onr ont oo- ooa oob ooc oog ooi ook oon ooo oop oor oot op- opa opb opc opg opi opk opn opo opp opr opt or- ora orb orc org ori ork orn oro orp orr ort ot- ota otb otc otg oti otk otn oto otp otr ott p-p paa pab pac pag pai pak pan pao pap par pat pba pbb pbc pbg pbi pbk pbn pbo pbp pbr pbt pca pcb pcc pcg pci pck pcn pco pcp pcr pct pga pgb pgc pgg pgi pgk pgn pgo pgp pgr pgt pia pib pic pig pii pik