-ic a-a a-b a-c a-i aaa aab aac aad aai aan aar aay ab- aba abb abc abd abi abn abr aby ac- aca acb acc acd aci acn acr acy ad- ada adb adc add adi adn adr ady ai- aia aib aic aid aii ain air aiy an- ana anb anc and ani ann anr any ar- ara arb arc ard ari arn arr ary ay- aya ayc ayd ayi ayn ayr baa bab bac bad bai ban bar bay bba bbb bbc bbd bbi bbn bbr bby bca bcb bcc bcd bci bcn bcr bcy bda bdb bdc bdd bdi bdr bdy bi- bia bib bic bid bii bin bir biy bna bnb bnc bnd bni bnn bnr bra brb brd bri brn brr bry by- bya byc byd byi byn byr c-- caa cab cac cad cai can car cay cba cbb cbc cbd cbi cbn cbr cby cca ccb ccc ccd cci ccn ccr cda cdb cdc cdd cdi cdn cdr cdy ci- cia cib cic cid cii cin cir cn- cna cnb cnc cnd cni cnn cnr cny cra crb crc crd cri crn crr cry cya cyb cyc cyd cyn cyr daa dab dac dad dai dan dar day dba dbb dbc dbd dbi dbn dbr dby dca dcb dcc dcd dci dcn dcr dda ddb ddc ddd ddi ddn ddr ddy di- dia dib dic did dii din dir diy dna dnb dnc dnd dni dnn dnr dny dra drb drc drd dri drn drr dry dy- dya dyb dyc dyd dyn dyr dyy i-d ia- iaa iab iac iad iai ian iar iba ibb ibc ibd ibi ibn ibr iby ica icb icc icd ici icn icr icy ida idb idc idd idi idn idr idy iia iib iic iid iii iin iir in- ina inb inc ind ini inn inr iny ir- ira irb irc ird iri irn irr iry iya iyc iyr iyy n-i naa nab nac nad nai nan nar nay nba nbb nbc nbd nbi nbn nbr nca ncb ncc ncd nci ncn ncr nda ndb ndc ndd ndi ndn ndr ndy nia nib nic nid nii nin nir nna nnb nnc nni nnn nra nrb nrc nrd nri nrn nrr nry nya nyc nyd nyn nyy ra- raa rab rac rad rai ran rar ray rba rbb rbc rbd rbi rbn rbr rca rcb rcc rcd rci rcn rcr rda rdb rdc rdd rdi rdn rdr rdy ria rib ric rid rii rin rir riy rna rnb rnc rnd rni rnn rnr rny rra rrb rrc rrd rri rrn rrr ry- rya ryc ryd ryn ryr ryy yaa yab yac yad yai yan yar yay ybc ybi ybr yby yca ycc ycd yci ycy yda ydn ydy yid yii yin yir yna ynd ynn yny yra yrc yrn yyb yyc yyy