-ic a-a a-b a-c a-i aaa aab aac aah aai aan aar aay ab- aba abb abc abh abi abn abr aby ac- aca acb acc ach aci acn acr acy aha ahb ahc ahh ahi ahn ahr ahy ai- aia aib aic aih aii ain air aiy an- ana anb anc anh ani ann anr any ar- ara arb arc arh ari arn arr ary ay- aya ayc ayh ayi ayn ayr baa bab bac bah bai ban bar bay bba bbb bbc bbh bbi bbn bbr bby bca bcb bcc bch bci bcn bcr bcy bha bhb bhc bhh bhi bhr bi- bia bib bic bih bii bin bir biy bna bnb bnc bni bnn bnr bra brb brh bri brn brr bry by- bya byc byh byi byn byr c-- caa cab cac cah cai can car cay cba cbb cbc cbh cbi cbn cbr cby cca ccb ccc cch cci ccn ccr ch- cha chb chc chh chi chn chr chy ci- cia cib cic cih cii cin cir cn- cna cnb cnc cnh cni cnn cnr cny cra crb crc crh cri crn crr cry cya cyb cyc cyn cyr h-i haa hab hac hah hai han har hay hba hbb hbc hbh hbi hbn hbr hby hca hcb hcc hch hci hcn hcr hcy hha hhb hhc hhh hhi hhn hhr hhy hia hib hic hih hii hin hir hna hnb hnc hnh hnn hny hr- hra hrb hrc hrh hri hrn hrr hy- hya hyb hyc hyh hyi hyn hyr hyy ia- iaa iab iac iah iai ian iar iba ibb ibc ibh ibi ibn ibr iby ica icb icc ich ici icn icr icy iha ihb ihc ihh ihi ihn ihr ihy iia iib iic iih iii iin iir in- ina inb inc inh ini inn inr iny ir- ira irb irc iri irn irr iry iya iyc iyr iyy n-i naa nab nac nah nai nan nar nay nba nbb nbc nbi nbn nbr nca ncb ncc nch nci ncn ncr nha nhb nhc nhh nhi nhn nhr nhy nia nib nic nih nii nin nir nna nnb nnc nnh nni nnn nra nrb nrc nri nrn nrr nry nya nyc nyn nyy ra- raa rab rac rah rai ran rar ray rba rbb rbc rbh rbi rbn rbr rca rcb rcc rch rci rcn rcr rh- rha rhb rhc rhh rhi rhn rhr ria rib ric rih rii rin rir riy rna rnb rnc rnh rni rnn rnr rny rra rrb rrc rrh rri rrn rrr ry- rya ryc ryn ryr ryy yaa yab yac yah yai yan yar yay ybc ybi ybr yby yca ycc ych yci ycy yha yhc yhi yih yii yin yir yna ynn yny yra yrc yrn yyb yyc yyy