-ic a-a a-b a-c a-i a-t aaa aab aac aad aag aai aan aao aar aat ab- aba abb abc abd abg abi abn abo abr abt ac- aca acb acc acd acg aci acn aco acr act ad- ada adb adc add adg adi adn ado adr adt ag- aga agb agc agd agg agi agn ago agr agt ai- aia aib aic aid aig aii ain aio air ait an- ana anb anc and ang ani ann ano anr ant aoa aob aoc aod aog aoi aon aoo aor aot ar- ara arb arc ard arg ari arn aro arr art at- ata atb atc atd atg ati atn ato atr att baa bab bac bad bag bai ban bao bar bat bba bbb bbc bbd bbg bbi bbn bbo bbr bbt bca bcb bcc bcd bcg bci bcn bco bcr bct bda bdb bdc bdd bdg bdi bdo bdr bdt bga bgb bgc bgd bgg bgi bgn bgo bgr bgt bi- bia bib bic bid big bii bin bio bir bit bna bnb bnc bnd bng bni bnn bno bnr bnt boa bob boc bod bog boi bon boo bor bot bra brb brd brg bri brn bro brr brt bta btb btc btd btg bti btn bto btr btt c-- caa cab cac cad cag cai can cao car cat cba cbb cbc cbd cbg cbi cbn cbo cbr cbt cca ccb ccc ccd ccg cci ccn cco ccr cct cda cdb cdc cdd cdg cdi cdn cdo cdr cdt cga cgb cgc cgd cgg cgi cgn cgo cgr cgt ci- cia cib cic cid cig cii cin cio cir cit cn- cna cnb cnc cnd cng cni cnn cno cnr cnt co- coa cob coc cod cog coi con coo cor cot cra crb crc crd crg cri crn cro crr crt cta ctb ctc ctd ctg cti ctn cto ctr ctt daa dab dac dad dag dai dan dao dar dat dba dbb dbc dbd dbg dbi dbn dbo dbr dbt dca dcb dcc dcd dcg dci dcn dco dcr dct dda ddb ddc ddd ddg ddi ddn ddo ddr ddt dga dgc dgd dgg dgi dgn dgr dgt di- dia dib dic did dig dii din dio dir dit dna dnb dnc dnd dng dni dnn dno dnr dnt doa dob doc dod dog doi don doo dor dot dra drb drc drd drg dri drn dro drr drt dta dtb dtc dtd dtg dti dtn dto dtr dtt g-d gaa gab gac gad gag gai gan gao gar gat gba gbc gbd gbg gbi gbn gbo gbr gbt gca gcb gcc gcd gcg gci gcn gco gcr gct gda gdb gdc gdd gdi gdn gdo gdr gdt gga ggb ggc ggd ggg ggi ggn ggo ggr ggt gia gib gic gid gig gii gin gio gir git gna gnb gnc gnd gni gnn gno gnr gnt goa gob goc god gog goi gon goo gor got gra grb grc grd grg gri grn gro grr grt gta gtb gtc gtd gtg gti gtn gto gtr gtt i-d ia- iaa iab iac iad iag iai ian iao iar iat iba ibb ibc ibd ibg ibi ibn ibo ibr ibt ica icb icc icd icg ici icn ico icr ict ida idb idc idd idg idi idn ido idr idt iga igb igc igd igg igi ign igo igr igt iia iib iic iid iii iin iio iir iit in- ina inb inc ind ing ini inn ino inr int io- ioa iob ioc iod iog ioi ion ioo ior iot ir- ira irb irc ird irg iri irn iro irr irt ita itb itc itd itg iti itn ito itt n-i naa nab nac nad nag nai nan nao nar nat nba nbb nbc nbd nbg nbi nbn nbo nbr nbt nca ncb ncc ncd ncg nci ncn nco ncr nct nda ndb ndc ndd ndg ndi ndn ndo ndr ndt nga ngb ngc ngd ngg ngi ngn ngo ngt nia nib nic nid nig nii nin nio nir nit nna nnb nnc nng nni nnn nno nnt no- noa nob noc nod nog noi non noo nor not nra nrb nrc nrd nrg nri nrn nro nrr nrt nta ntb ntc ntd ntg nti ntn nto ntr ntt o-i oaa oab oac oad oag oai oan oao oar oat ob- oba obb obc obd obg obi obn obo obr obt oc- oca ocb occ ocd ocg oci ocn oco ocr oct oda odb odc odd odg odi odn odo odr odt oga ogc ogd ogg ogi ogn ogo ogt oia oib oic oid oii oin oio oir oit on- ona onb onc ond ong oni onn ono onr ont oo- ooa oob ooc ood oog ooi oon ooo oor oot or- ora orb orc ord org ori orn oro orr ort ot- ota otb otc otd otg oti otn oto otr ott ra- raa rab rac rad rag rai ran rao rar rat rba rbb rbc rbd rbg rbi rbn rbo rbr rbt rca rcb rcc rcd rcg rci rcn rco rcr rct rda rdb rdc rdd rdg rdi rdn rdo rdr rdt rga rgb rgc rgd rgg rgi rgn rgo rgr rgt ria rib ric rid rig rii rin rio rir rit rna rnb rnc rnd rng rni rnn rno rnr rnt roa rob roc rod rog roi ron roo ror rot rra rrb rrc rrd rrg rri rrn rrr rrt rta rtb rtc rtd rtg rti rtn rto rtr rtt taa tab tac tad tag tai tan tao tar tat tba tbb tbc tbd tbg tbi tbn tbo tbr tbt tca tcb tcc tcd tcg tci tcn tco tcr tct tda tdb tdc tdd tdg tdi tdn tdo tdr tdt tga tgb tgc tgg tgi tgn tgo tgr tgt tia tib tic tid tig tii tin tio tir tit tna tnb tnc tnd tng tni tnn tno tnr tnt to- toa tob toc tod tog toi ton too tor tot