-ic a-a a-b a-c a-i aaa aab aac aad aah aai aan aao aar aau ab- aba abb abc abd abh abi abn abo abr abu ac- aca acb acc acd ach aci acn aco acr acu ad- ada adb adc add adh adi adn ado adr adu aha ahb ahc ahd ahh ahi ahn aho ahr ahu ai- aia aib aic aid aih aii ain aio air aiu an- ana anb anc and anh ani ann ano anr anu aoa aob aoc aod aoh aoi aon aoo aor aou ar- ara arb arc ard arh ari arn aro arr aru au- aua aub auc aud auh aui aun auo aur b-u baa bab bac bad bah bai ban bao bar bau bba bbb bbc bbd bbh bbi bbn bbo bbr bbu bca bcb bcc bcd bch bci bcn bco bcr bcu bda bdb bdc bdd bdh bdi bdo bdr bdu bha bhb bhc bhd bhh bhi bho bhr bhu bi- bia bib bic bid bih bii bin bio bir biu bna bnb bnc bnd bni bnn bno bnr bnu boa bob boc bod boh boi bon boo bor bou bra brb brd brh bri brn bro brr bru bua bub buc bud buh bui bun buo bur buu c-- caa cab cac cad cah cai can cao car cau cba cbb cbc cbd cbh cbi cbn cbo cbr cbu cca ccb ccc ccd cch cci ccn cco ccr ccu cda cdb cdc cdd cdh cdi cdn cdo cdr cdu ch- cha chb chc chd chh chi chn cho chr chu ci- cia cib cic cid cih cii cin cio cir ciu cn- cna cnb cnc cnd cnh cni cnn cno cnr cnu co- coa cob coc cod coh coi con coo cor cou cra crb crc crd crh cri crn cro crr cru cua cub cuc cud cuh cui cun cuo cur cuu daa dab dac dad dah dai dan dao dar dau dba dbb dbc dbd dbh dbi dbn dbo dbr dbu dca dcb dcc dcd dci dcn dco dcr dcu dda ddb ddc ddd ddh ddi ddn ddo ddr ddu dh- dha dhb dhc dhd dhh dhi dho dhr dhu di- dia dib dic did dih dii din dio dir diu dna dnb dnc dnd dnh dni dnn dno dnr doa dob doc dod doh doi don doo dor dou dra drb drc drd dri drn dro drr dru dua dub duc dud duh dui dun duo dur h-i haa hab hac had hah hai han hao har hau hba hbb hbc hbd hbh hbi hbn hbo hbr hbu hca hcb hcc hcd hch hci hcn hco hcr hda hdb hdc hdd hdh hdi hdn hdo hdr hdu hha hhb hhc hhd hhh hhi hhn hho hhr hhu hia hib hic hid hih hii hin hio hir hiu hna hnb hnc hnd hnh hnn hno hnu hoa hob hoc hod hoh hoi hon hoo hor hou hr- hra hrb hrc hrd hrh hri hrn hro hrr hru hua hub huc hud huh hui hun huo hur huu i-d ia- iaa iab iac iad iah iai ian iao iar iau iba ibb ibc ibd ibh ibi ibn ibo ibr ibu ica icb icc icd ich ici icn ico icr icu ida idb idc idd idh idi idn ido idr idu iha ihb ihc ihd ihh ihi ihn iho ihr ihu iia iib iic iid iih iii iin iio iir iiu in- ina inb inc ind inh ini inn ino inr inu io- ioa iob ioc iod ioh ioi ion ioo ior iou ir- ira irb irc ird iri irn iro irr iru iu- iua iub iuc iud iui iur n-i naa nab nac nad nah nai nan nao nar nau nba nbb nbc nbd nbi nbn nbo nbr nbu nca ncb ncc ncd nch nci ncn nco ncr ncu nda ndb ndc ndd ndh ndi ndn ndo ndr ndu nha nhb nhc nhd nhh nhi nhn nhr nhu nia nib nic nid nih nii nin nio nir niu nna nnb nnc nnh nni nnn nno nnu no- noa nob noc nod noh noi non noo nor nou nra nrb nrc nrd nri nrn nro nrr nru nua nub nuc nud nuh nui nun nuo nur nuu o-i oaa oab oac oad oah oai oan oao oar oau ob- oba obb obc obd obh obi obn obo obr obu oc- oca ocb occ ocd och oci ocn oco ocr ocu oda odb odc odd odh odi odn odo odr odu oha ohc ohd ohh ohi ohn oho ohr ohu oia oib oic oid oii oin oio oir oiu on- ona onb onc ond onh oni onn ono onr onu oo- ooa oob ooc ood ooh ooi oon ooo oor or- ora orb orc ord orh ori orn oro orr oru ou- oua ouc oud ouh oui oun ouo our ra- raa rab rac rad rah rai ran rao rar rau rba rbb rbc rbd rbh rbi rbn rbo rbr rbu rca rcb rcc rcd rch rci rcn rco rcr rcu rda rdb rdc rdd rdh rdi rdn rdo rdr rdu rh- rha rhb rhc rhd rhh rhi rhn rho rhr rhu ria rib ric rid rih rii rin rio rir rna rnb rnc rnd rnh rni rnn rno rnr rnu roa rob roc rod roh roi ron roo ror rou rra rrb rrc rrd rrh rri rrn rrr rru rua rub ruc rud ruh rui run ruo rur ruu ua- uaa uab uac uad uah uai uan uao uar uau uba ubb ubc ubh ubi ubn ubo ubr ubu uca ucb ucc ucd uch uci ucn uco ucr ucu uda udb udc udd udi udn udo udr udu uha uhb uhc uhd uhh uhi uho uhr uhu uia uib uic uid uii uin uio uir uiu un- una unb unc und unh uni unn uno unr unu uoa uob uoc uod uon uoo uor ur- ura urb urc urd uri urn uro urr uru uua uuc uun uur uuu