-ic a-a a-b a-c a-i a-t aaa aab aac aag aai aak aan aao aar aas aat ab- aba abb abc abg abi abk abn abo abr abs abt ac- aca acb acc acg aci ack acn aco acr acs act ag- aga agb agc agg agi agk agn ago agr ags agt ai- aia aib aic aig aii aik ain aio air ais ait aka akb akc akg aki akk akn ako akr aks an- ana anb anc ang ani ank ann ano anr ans ant aoa aob aoc aog aoi aok aon aoo aor aos aot ar- ara arb arc arg ari ark arn aro arr ars art as- asa asb asc asg asi ask asn aso asr ass ast at- ata atb atc atg ati atn ato atr ats att baa bab bac bag bai bak ban bao bar bas bat bba bbb bbc bbg bbi bbk bbn bbo bbr bbs bbt bca bcb bcc bcg bci bck bcn bco bcr bcs bct bga bgb bgc bgg bgi bgk bgn bgo bgr bgs bgt bi- bia bib bic big bii bik bin bio bir bis bit bka bkb bkc bkg bkk bkn bko bkr bks bkt bna bnb bnc bng bni bnk bnn bno bnr bns bnt boa bob boc bog boi bok bon boo bor bos bot bra brb brg bri brk brn bro brr brs brt bsa bsb bsc bsg bsi bsk bsn bso bsr bss bst bta btb btc btg bti btk btn bto btr bts btt c-- caa cab cac cag cai cak can cao car cas cat cba cbb cbc cbg cbi cbk cbn cbo cbr cbs cbt cca ccb ccc ccg cci cck ccn cco ccr ccs cct cga cgb cgc cgg cgi cgn cgo cgr cgs cgt ci- cia cib cic cig cii cik cin cio cir cis cit cka ckb ckc cki cko cks ckt cn- cna cnb cnc cng cni cnn cno cnr cns cnt co- coa cob coc cog coi cok con coo cor cos cot cra crb crc crg cri crk crn cro crr crs crt csa csb csc csg csi csk csn cso csr css cst cta ctb ctc ctg cti ctk ctn cto ctr cts ctt gaa gab gac gag gai gak gan gao gar gas gat gba gbc gbg gbi gbk gbn gbo gbr gbs gbt gca gcb gcc gcg gci gck gcn gco gcr gcs gct gga ggb ggc ggg ggi ggn ggo ggr ggs ggt gia gib gic gig gii gik gin gio gir gis git gka gkb gkn gko gks gkt gna gnb gnc gni gnn gno gnr gns gnt goa gob goc gog goi gok gon goo gor gos got gra grb grc grg gri grk grn gro grr grs grt gsa gsb gsc gsg gsi gsk gsn gso gsr gss gst gta gtb gtc gtg gti gtk gtn gto gtr gts gtt ia- iaa iab iac iag iai ian iao iar ias iat iba ibb ibc ibg ibi ibk ibn ibo ibr ibs ibt ica icb icc icg ici ick icn ico icr ics ict iga igb igc igg igi igk ign igo igr igs igt iia iib iic iii iin iio iir iis iit ika ikb ikc iki ikk iko ikr iks ikt in- ina inb inc ing ini ink inn ino inr ins int io- ioa iob ioc iog ioi ion ioo ior ios iot ir- ira irb irc irg iri irk irn iro irr irs irt is- isa isb isc isg isi isk isn iso isr iss ist ita itb itc itg iti itk itn ito its itt k-t ka- kaa kab kac kag kai kak kan kao kar kas kat kba kbb kbc kbi kbk kbn kbo kbr kbs kca kcb kcc kcg kci kck kcn kcr kcs kct kga kgb kgc kgi kgo kgs kia kib kic kig kii kik kin kio kir kis kit kkb kkc kki kkk kkn kkr kks kkt kn- kna knc kng kni knk knn kno knr knt koa kob koc kog koi kok kon koo kor kos kot kra krc krg kri krk krn kro krr krs krt ksa ksb ksc ksg ksi ksk ksn kso ksr kss kst kta ktb ktc ktg ktk ktn kto ktr kts ktt n-i naa nab nac nag nai nak nan nao nar nas nat nba nbb nbc nbg nbi nbk nbn nbo nbr nbs nbt nca ncb ncc ncg nci nck ncn nco ncr ncs nct nga ngb ngc ngg ngi ngk ngn ngo ngs ngt nia nib nic nig nii nik nin nio nir nis nit nka nkc nki nkk nkn nko nkr nks nkt nna nnb nnc nng nni nnk nnn nno nns nnt no- noa nob noc nog noi nok non noo nor nos not nra nrb nrc nrg nri nrk nrn nro nrr nrs nrt nsa nsb nsc nsg nsi nsk nsn nso nsr nss nst nta ntb ntc ntg nti ntk ntn nto ntr nts ntt o-i oaa oab oac oag oai oak oan oao oar oas oat ob- oba obb obc obg obi obk obn obo obr obs obt oc- oca ocb occ ocg oci ock ocn oco ocr ocs oct oga ogc ogg ogi ogn ogo ogs ogt oia oib oic oii oik oin oio oir ois oit oka okb okc okg oki okk oko okr oks on- ona onb onc ong oni onk onn ono onr ons ont oo- ooa oob ooc oog ooi ook oon ooo oor oos oot or- ora orb orc org ori ork orn oro orr ors ort os- osa osb osc osg osi osk osn oso osr oss ost ot- ota otb otc otg oti otk otn oto otr ots ott ra- raa rab rac rag rai rak ran rao rar ras rat rba rbb rbc rbg rbi rbk rbn rbo rbr rbs rbt rca rcb rcc rcg rci rcn rco rcr rcs rct rga rgb rgc rgg rgi rgk rgn rgo rgr rgs rgt ria rib