-ic a-a a-b a-c a-i aaa aab aac aad aah aai aan aar ab- aba abb abc abd abh abi abn abr ac- aca acb acc acd ach aci acn acr ad- ada adb adc add adh adi adn adr aha ahb ahc ahd ahh ahi ahn ahr ai- aia aib aic aid aih aii ain air an- ana anb anc and anh ani ann anr ar- ara arb arc ard arh ari arn arr baa bab bac bad bah bai ban bar bba bbb bbc bbd bbh bbi bbn bbr bca bcb bcc bcd bch bci bcn bcr bda bdb bdc bdd bdh bdi bdr bha bhb bhc bhd bhh bhi bhr bi- bia bib bic bid bih bii bin bir bna bnb bnc bnd bni bnn bnr bra brb brd brh bri brn brr c-- caa cab cac cad cah cai can car cba cbb cbc cbd cbh cbi cbn cbr cca ccb ccc ccd cch cci ccn ccr cda cdb cdc cdd cdh cdi cdn cdr ch- cha chb chc chd chh chi chn chr ci- cia cib cic cid cih cii cin cir cn- cna cnb cnc cnd cnh cni cnn cnr cra crb crc crd crh cri crn crr daa dab dac dad dah dai dan dar dba dbb dbc dbd dbh dbi dbn dbr dca dcb dcc dcd dci dcn dcr dda ddb ddc ddd ddh ddi ddn ddr dh- dha dhb dhc dhd dhh dhi dhr di- dia dib dic did dih dii din dir dna dnb dnc dnd dnh dni dnn dnr dra drb drc drd dri drn drr h-i haa hab hac had hah hai han har hba hbb hbc hbd hbh hbi hbn hbr hca hcb hcc hcd hch hci hcn hcr hda hdb hdc hdd hdh hdi hdn hdr hha hhb hhc hhd hhh hhi hhn hhr hia hib hic hid hih hii hin hir hna hnb hnc hnd hnh hnn hr- hra hrb hrc hrd hrh hri hrn hrr i-d ia- iaa iab iac iad iah iai ian iar iba ibb ibc ibd ibh ibi ibn ibr ica icb icc icd ich ici icn icr ida idb idc idd idh idi idn idr iha ihb ihc ihd ihh ihi ihn ihr iia iib iic iid iih iii iin iir in- ina inb inc ind inh ini inn inr ir- ira irb irc ird iri irn irr n-i naa nab nac nad nah nai nan nar nba nbb nbc nbd nbi nbn nbr nca ncb ncc ncd nch nci ncn ncr nda ndb ndc ndd ndh ndi ndn ndr nha nhb nhc nhd nhh nhi nhn nhr nia nib nic nid nih nii nin nir nna nnb nnc nnh nni nnn nra nrb nrc nrd nri nrn nrr ra- raa rab rac rad rah rai ran rar rba rbb rbc rbd rbh rbi rbn rbr rca rcb rcc rcd rch rci rcn rcr rda rdb rdc rdd rdh rdi rdn rdr rh- rha rhb rhc rhd rhh rhi rhn rhr ria rib ric rid rih rii rin rir rna rnb rnc rnd rnh rni rnn rnr rra rrb rrc rrd rrh rri rrn rrr