-ic a-a a-b a-c a-i aaa aab aac aad aah aai aar aay ab- aba abb abc abd abh abi abr aby ac- aca acb acc acd ach aci acr acy ad- ada adb adc add adh adi adr ady aha ahb ahc ahd ahh ahi ahr ahy ai- aia aib aic aid aih aii air aiy ar- ara arb arc ard arh ari arr ary ay- aya ayc ayd ayh ayi ayr baa bab bac bad bah bai bar bay bba bbb bbc bbd bbh bbi bbr bby bca bcb bcc bcd bch bci bcr bcy bda bdb bdc bdd bdh bdi bdr bdy bha bhb bhc bhd bhh bhi bhr bi- bia bib bic bid bih bii bir biy bra brb brd brh bri brr bry by- bya byc byd byh byi byr c-- caa cab cac cad cah cai car cay cba cbb cbc cbd cbh cbi cbr cby cca ccb ccc ccd cch cci ccr cda cdb cdc cdd cdh cdi cdr cdy ch- cha chb chc chd chh chi chr chy ci- cia cib cic cid cih cii cir cra crb crc crd crh cri crr cry cya cyb cyc cyd cyr daa dab dac dad dah dai dar day dba dbb dbc dbd dbh dbi dbr dby dca dcb dcc dcd dci dcr dda ddb ddc ddd ddh ddi ddr ddy dh- dha dhb dhc dhd dhh dhi dhr di- dia dib dic did dih dii dir diy dra drb drc drd dri drr dry dy- dya dyb dyc dyd dyr dyy h-i haa hab hac had hah hai har hay hba hbb hbc hbd hbh hbi hbr hby hca hcb hcc hcd hch hci hcr hcy hda hdb hdc hdd hdh hdi hdr hdy hha hhb hhc hhd hhh hhi hhr hhy hia hib hic hid hih hii hir hr- hra hrb hrc hrd hrh hri hrr hy- hya hyb hyc hyd hyh hyi hyr hyy i-d ia- iaa iab iac iad iah iai iar iba ibb ibc ibd ibh ibi ibr iby ica icb icc icd ich ici icr icy ida idb idc idd idh idi idr idy iha ihb ihc ihd ihh ihi ihr ihy iia iib iic iid iih iii iir ir- ira irb irc ird iri irr iry iya iyc iyr iyy ra- raa rab rac rad rah rai rar ray rba rbb rbc rbd rbh rbi rbr rca rcb rcc rcd rch rci rcr rda rdb rdc rdd rdh rdi rdr rdy rh- rha rhb rhc rhd rhh rhi rhr ria rib ric rid rih rii rir riy rra rrb rrc rrd rrh rri rrr ry- rya ryc ryd ryr ryy yaa yab yac yad yah yai yar yay ybc ybi ybr yby yca ycc ycd ych yci ycy yda ydy yha yhc yhi yid yih yii yir yra yrc yyb yyc yyy