-ic a-a a-b a-c a-i aaa aab aac aag aai aam aan aar aax ab- aba abb abc abg abi abm abn abr abx ac- aca acb acc acg aci acm acn acr acx ag- aga agb agc agg agi agm agn agr agx ai- aia aib aic aig aii aim ain air aix ama amb amc amg ami amm amn amr amx an- ana anb anc ang ani anm ann anr anx ar- ara arb arc arg ari arm arn arr arx ax- axa axi axm axn axr axx baa bab bac bag bai bam ban bar bax bba bbb bbc bbg bbi bbm bbn bbr bbx bca bcb bcc bcg bci bcm bcn bcr bcx bga bgb bgc bgg bgi bgm bgn bgr bgx bi- bia bib bic big bii bim bin bir bix bma bmb bmc bmg bmi bmm bmn bmr bmx bna bnb bnc bng bni bnn bnr bnx bra brb brg bri brm brn brr brx bxb bxi bxm bxn bxx c-- caa cab cac cag cai cam can car cax cba cbb cbc cbg cbi cbm cbn cbr cbx cca ccb ccc ccg cci ccm ccn ccr ccx cga cgb cgc cgg cgi cgm cgn cgr ci- cia cib cic cig cii cim cin cir cix cma cmb cmc cmg cmi cmm cmn cmr cmx cn- cna cnb cnc cng cni cnm cnn cnr cnx cra crb crc crg cri crm crn crr crx cxc cxi cxr cxx gaa gab gac gag gai gam gan gar gba gbc gbg gbi gbm gbn gbr gbx gca gcb gcc gcg gci gcm gcn gcr gga ggb ggc ggg ggi ggm ggn ggr gia gib gic gig gii gim gin gir gma gmb gmc gmg gmi gmm gmn gmr gmx gna gnb gnc gni gnm gnn gnr gra grb grc grg gri grm grn grr grx gxa ia- iaa iab iac iag iai iam ian iar iba ibb ibc ibg ibi ibm ibn ibr ibx ica icb icc icg ici icm icn icr iga igb igc igg igi igm ign igr iia iib iic iii iim iin iir iix im- ima imb imc img imi imm imn imx in- ina inb inc ing ini inm inn inr inx ir- ira irb irc irg iri irm irn irr irx ixc ixi ixn m-r maa mab mac mag mai mam man mar max mba mbb mbc mbg mbi mbm mbr mbx mc- mca mcb mcc mcg mci mcm mcn mcr mcx mga mgb mgc mgi mgm mgn mgr mgx mi- mia mib mic mig mii mim min mir mix mma mmb mmc mmg mmi mmm mmn mmr mmx mna mnb mnc mng mni mnm mnn mnr mra mrb mrc mrg mri mrm mrn mrr mrx mxa mxc mxi mxn mxr n-i naa nab nac nag nai nam nan nar nax nba nbb nbc nbg nbi nbm nbn nbr nbx nca ncb ncc ncg nci ncm ncn ncr ncx nga ngb ngc ngg ngi ngm ngn nia nib nic nig nii nim nin nir nix nma nmb nmc nmg nmi nmm nmn nmr nna nnb nnc nng nni nnm nnn nra nrb nrc nrg nri nrm nrn nrr nrx nxc ra- raa rab rac rag rai ram ran rar rax rba rbb rbc rbg rbi rbm rbn rbr rbx rca rcb rcc rcg rci rcm rcn rcr rcx rga rgb rgc rgg rgi rgn rgr rgx ria rib ric rig rii rim rin rir rix rma rmb rmc rmg rmi rmm rmn rmr rmx rna rnb rnc rng rni rnm rnn rnr rra rrb rrc rrg rri rrm rrn rrr rxr xaa xac xag xam xan xar xbc xbr xbx xcb xci xcr xcx xgi xia xic xii xin xix xma xmc xmg xmi xmm xmr xmx xna xnc xrc xrx xxi xxx