-ic a-a a-b a-c a-i aaa aab aac aad aag aai aan aar ab- aba abb abc abd abg abi abn abr ac- aca acb acc acd acg aci acn acr ad- ada adb adc add adg adi adn adr ag- aga agb agc agd agg agi agn agr ai- aia aib aic aid aig aii ain air an- ana anb anc and ang ani ann anr ar- ara arb arc ard arg ari arn arr baa bab bac bad bag bai ban bar bba bbb bbc bbd bbg bbi bbn bbr bca bcb bcc bcd bcg bci bcn bcr bda bdb bdc bdd bdg bdi bdr bga bgb bgc bgd bgg bgi bgn bgr bi- bia bib bic bid big bii bin bir bna bnb bnc bnd bng bni bnn bnr bra brb brd brg bri brn brr c-- caa cab cac cad cag cai can car cba cbb cbc cbd cbg cbi cbn cbr cca ccb ccc ccd ccg cci ccn ccr cda cdb cdc cdd cdg cdi cdn cdr cga cgb cgc cgd cgg cgi cgn cgr ci- cia cib cic cid cig cii cin cir cn- cna cnb cnc cnd cng cni cnn cnr cra crb crc crd crg cri crn crr daa dab dac dad dag dai dan dar dba dbb dbc dbd dbg dbi dbn dbr dca dcb dcc dcd dcg dci dcn dcr dda ddb ddc ddd ddg ddi ddn ddr dga dgc dgd dgg dgi dgn dgr di- dia dib dic did dig dii din dir dna dnb dnc dnd dng dni dnn dnr dra drb drc drd drg dri drn drr g-d gaa gab gac gad gag gai gan gar gba gbc gbd gbg gbi gbn gbr gca gcb gcc gcd gcg gci gcn gcr gda gdb gdc gdd gdi gdn gdr gga ggb ggc ggd ggg ggi ggn ggr gia gib gic gid gig gii gin gir gna gnb gnc gnd gni gnn gnr gra grb grc grd grg gri grn grr i-d ia- iaa iab iac iad iag iai ian iar iba ibb ibc ibd ibg ibi ibn ibr ica icb icc icd icg ici icn icr ida idb idc idd idg idi idn idr iga igb igc igd igg igi ign igr iia iib iic iid iii iin iir in- ina inb inc ind ing ini inn inr ir- ira irb irc ird irg iri irn irr n-i naa nab nac nad nag nai nan nar nba nbb nbc nbd nbg nbi nbn nbr nca ncb ncc ncd ncg nci ncn ncr nda ndb ndc ndd ndg ndi ndn ndr nga ngb ngc ngd ngg ngi ngn nia nib nic nid nig nii nin nir nna nnb nnc nng nni nnn nra nrb nrc nrd nrg nri nrn nrr ra- raa rab rac rad rag rai ran rar rba rbb rbc rbd rbg rbi rbn rbr rca rcb rcc rcd rcg rci rcn rcr rda rdb rdc rdd rdg rdi rdn rdr rga rgb rgc rgd rgg rgi rgn rgr ria rib ric rid rig rii rin rir rna rnb rnc rnd rng rni rnn rnr rra rrb rrc rrd rrg rri rrn rrr