-ic a-a a-b a-c a-i aaa aab aac aad aah aai aan aar aas aau ab- aba abb abc abd abh abi abn abr abs abu ac- aca acb acc acd ach aci acn acr acs acu ad- ada adb adc add adh adi adn adr ads adu aha ahb ahc ahd ahh ahi ahn ahr ahs ahu ai- aia aib aic aid aih aii ain air ais aiu an- ana anb anc and anh ani ann anr ans anu ar- ara arb arc ard arh ari arn arr ars aru as- asa asb asc asd ash asi asn asr ass asu au- aua aub auc aud auh aui aun aur aus b-u baa bab bac bad bah bai ban bar bas bau bba bbb bbc bbd bbh bbi bbn bbr bbs bbu bca bcb bcc bcd bch bci bcn bcr bcs bcu bda bdb bdc bdd bdh bdi bdr bds bdu bha bhb bhc bhd bhh bhi bhr bhs bhu bi- bia bib bic bid bih bii bin bir bis biu bna bnb bnc bnd bni bnn bnr bns bnu bra brb brd brh bri brn brr brs bru bsa bsb bsc bsd bsh bsi bsn bsr bss bsu bua bub buc bud buh bui bun bur bus buu c-- caa cab cac cad cah cai can car cas cau cba cbb cbc cbd cbh cbi cbn cbr cbs cbu cca ccb ccc ccd cch cci ccn ccr ccs ccu cda cdb cdc cdd cdh cdi cdn cdr cds cdu ch- cha chb chc chd chh chi chn chr chs chu ci- cia cib cic cid cih cii cin cir cis ciu cn- cna cnb cnc cnd cnh cni cnn cnr cns cnu cra crb crc crd crh cri crn crr crs cru csa csb csc csd csh csi csn csr css csu cua cub cuc cud cuh cui cun cur cus cuu daa dab dac dad dah dai dan dar das dau dba dbb dbc dbd dbh dbi dbn dbr dbs dbu dca dcb dcc dcd dci dcn dcr dcs dcu dda ddb ddc ddd ddh ddi ddn ddr dds ddu dh- dha dhb dhc dhd dhh dhi dhr dhs dhu di- dia dib dic did dih dii din dir dis diu dna dnb dnc dnd dnh dni dnn dnr dns dra drb drc drd dri drn drr drs dru dsa dsb dsc dsd dsh dsi dsn dsr dss dsu dua dub duc dud duh dui dun dur dus h-i haa hab hac had hah hai han har has hau hba hbb hbc hbd hbh hbi hbn hbr hbs hbu hca hcb hcc hcd hch hci hcn hcr hcs hda hdb hdc hdd hdh hdi hdn hdr hds hdu hha hhb hhc hhd hhh hhi hhn hhr hhs hhu hia hib hic hid hih hii hin hir his hiu hna hnb hnc hnd hnh hnn hns hnu hr- hra hrb hrc hrd hrh hri hrn hrr hrs hru hsa hsb hsc hsd hsh hsi hsn hsr hss hsu hua hub huc hud huh hui hun hur hus huu i-d ia- iaa iab iac iad iah iai ian iar ias iau iba ibb ibc ibd ibh ibi ibn ibr ibs ibu ica icb icc icd ich ici icn icr ics icu ida idb idc idd idh idi idn idr ids idu iha ihb ihc ihd ihh ihi ihn ihr ihs ihu iia iib iic iid iih iii iin iir iis iiu in- ina inb inc ind inh ini inn inr ins inu ir- ira irb irc ird iri irn irr irs iru is- isa isb isc isd ish isi isn isr iss isu iu- iua iub iuc iud iui iur ius n-i naa nab nac nad nah nai nan nar nas nau nba nbb nbc nbd nbi nbn nbr nbs nbu nca ncb ncc ncd nch nci ncn ncr ncs ncu nda ndb ndc ndd ndh ndi ndn ndr nds ndu nha nhb nhc nhd nhh nhi nhn nhr nhs nhu nia nib nic nid nih nii nin nir nis niu nna nnb nnc nnh nni nnn nns nnu nra nrb nrc nrd nri nrn nrr nrs nru nsa nsb nsc nsd nsh nsi nsn nsr nss nsu nua nub nuc nud nuh nui nun nur nus nuu ra- raa rab rac rad rah rai ran rar ras rau rba rbb rbc rbd rbh rbi rbn rbr rbs rbu rca rcb rcc rcd rch rci rcn rcr rcs rcu rda rdb rdc rdd rdh rdi rdn rdr rds rdu rh- rha rhb rhc rhd rhh rhi rhn rhr rhs rhu ria rib ric rid rih rii rin rir ris rna rnb rnc rnd rnh rni rnn rnr rns rnu rra rrb rrc rrd rrh rri rrn rrr rrs rru rsa rsb rsc rsd rsh rsi rsn rsr rss rsu rua rub ruc rud ruh rui run rur rus ruu saa sab sac sad sah sai san sar sas sau sba sbb sbc sbd sbh sbi sbn sbr sbs sbu sca scb scc scd sch sci scn scr scs scu sda sdb sdc sdd sdh sdi sdn sdr sds sdu sh- sha shb shc shd shh shi shn shr shs shu sia sib sic sid sih sii sin sir sis siu sna snb snc snd sni snn snr sns snu sr- sra srb src srd srh sri srn srr srs ss- ssa ssb ssc ssd ssh ssi ssn ssr sss ssu sua sub suc sud suh sui sun sur sus suu ua- uaa uab uac uad uah uai uan uar uas uau uba ubb ubc ubh ubi ubn ubr ubs ubu uca ucb ucc ucd uch uci ucn ucr ucs ucu uda udb udc udd udi udn udr uds udu uha uhb uhc uhd uhh uhi uhr uhs uhu uia uib uic uid uii uin uir uis uiu un- una unb unc und unh uni unn unr uns unu ur- ura urb urc urd uri urn urr urs uru usa usb usc usd ush usi usn usr uss usu uua