-ic a-a a-b a-c a-i aaa aab aac aad aah aai aan aar aau ab- aba abb abc abd abh abi abn abr abu ac- aca acb acc acd ach aci acn acr acu ad- ada adb adc add adh adi adn adr adu aha ahb ahc ahd ahh ahi ahn ahr ahu ai- aia aib aic aid aih aii ain air aiu an- ana anb anc and anh ani ann anr anu ar- ara arb arc ard arh ari arn arr aru au- aua aub auc aud auh aui aun aur b-u baa bab bac bad bah bai ban bar bau bba bbb bbc bbd bbh bbi bbn bbr bbu bca bcb bcc bcd bch bci bcn bcr bcu bda bdb bdc bdd bdh bdi bdr bdu bha bhb bhc bhd bhh bhi bhr bhu bi- bia bib bic bid bih bii bin bir biu bna bnb bnc bnd bni bnn bnr bnu bra brb brd brh bri brn brr bru bua bub buc bud buh bui bun bur buu c-- caa cab cac cad cah cai can car cau cba cbb cbc cbd cbh cbi cbn cbr cbu cca ccb ccc ccd cch cci ccn ccr ccu cda cdb cdc cdd cdh cdi cdn cdr cdu ch- cha chb chc chd chh chi chn chr chu ci- cia cib cic cid cih cii cin cir ciu cn- cna cnb cnc cnd cnh cni cnn cnr cnu cra crb crc crd crh cri crn crr cru cua cub cuc cud cuh cui cun cur cuu daa dab dac dad dah dai dan dar dau dba dbb dbc dbd dbh dbi dbn dbr dbu dca dcb dcc dcd dci dcn dcr dcu dda ddb ddc ddd ddh ddi ddn ddr ddu dh- dha dhb dhc dhd dhh dhi dhr dhu di- dia dib dic did dih dii din dir diu dna dnb dnc dnd dnh dni dnn dnr dra drb drc drd dri drn drr dru dua dub duc dud duh dui dun dur h-i haa hab hac had hah hai han har hau hba hbb hbc hbd hbh hbi hbn hbr hbu hca hcb hcc hcd hch hci hcn hcr hda hdb hdc hdd hdh hdi hdn hdr hdu hha hhb hhc hhd hhh hhi hhn hhr hhu hia hib hic hid hih hii hin hir hiu hna hnb hnc hnd hnh hnn hnu hr- hra hrb hrc hrd hrh hri hrn hrr hru hua hub huc hud huh hui hun hur huu i-d ia- iaa iab iac iad iah iai ian iar iau iba ibb ibc ibd ibh ibi ibn ibr ibu ica icb icc icd ich ici icn icr icu ida idb idc idd idh idi idn idr idu iha ihb ihc ihd ihh ihi ihn ihr ihu iia iib iic iid iih iii iin iir iiu in- ina inb inc ind inh ini inn inr inu ir- ira irb irc ird iri irn irr iru iu- iua iub iuc iud iui iur n-i naa nab nac nad nah nai nan nar nau nba nbb nbc nbd nbi nbn nbr nbu nca ncb ncc ncd nch nci ncn ncr ncu nda ndb ndc ndd ndh ndi ndn ndr ndu nha nhb nhc nhd nhh nhi nhn nhr nhu nia nib nic nid nih nii nin nir niu nna nnb nnc nnh nni nnn nnu nra nrb nrc nrd nri nrn nrr nru nua nub nuc nud nuh nui nun nur nuu ra- raa rab rac rad rah rai ran rar rau rba rbb rbc rbd rbh rbi rbn rbr rbu rca rcb rcc rcd rch rci rcn rcr rcu rda rdb rdc rdd rdh rdi rdn rdr rdu rh- rha rhb rhc rhd rhh rhi rhn rhr rhu ria rib ric rid rih rii rin rir rna rnb rnc rnd rnh rni rnn rnr rnu rra rrb rrc rrd rrh rri rrn rrr rru rua rub ruc rud ruh rui run rur ruu ua- uaa uab uac uad uah uai uan uar uau uba ubb ubc ubh ubi ubn ubr ubu uca ucb ucc ucd uch uci ucn ucr ucu uda udb udc udd udi udn udr udu uha uhb uhc uhd uhh uhi uhr uhu uia uib uic uid uii uin uir uiu un- una unb unc und unh uni unn unr unu ur- ura urb urc urd uri urn urr uru uua uuc uun uur uuu