-ic a-a a-b a-c a-i aaa aab aac aad aag aai aan aao aar aau ab- aba abb abc abd abg abi abn abo abr abu ac- aca acb acc acd acg aci acn aco acr acu ad- ada adb adc add adg adi adn ado adr adu ag- aga agb agc agd agg agi agn ago agr agu ai- aia aib aic aid aig aii ain aio air aiu an- ana anb anc and ang ani ann ano anr anu aoa aob aoc aod aog aoi aon aoo aor aou ar- ara arb arc ard arg ari arn aro arr aru au- aua aub auc aud aug aui aun auo aur b-u baa bab bac bad bag bai ban bao bar bau bba bbb bbc bbd bbg bbi bbn bbo bbr bbu bca bcb bcc bcd bcg bci bcn bco bcr bcu bda bdb bdc bdd bdg bdi bdo bdr bdu bga bgb bgc bgd bgg bgi bgn bgo bgr bgu bi- bia bib bic bid big bii bin bio bir biu bna bnb bnc bnd bng bni bnn bno bnr bnu boa bob boc bod bog boi bon boo bor bou bra brb brd brg bri brn bro brr bru bua bub buc bud bug bui bun buo bur buu c-- caa cab cac cad cag cai can cao car cau cba cbb cbc cbd cbg cbi cbn cbo cbr cbu cca ccb ccc ccd ccg cci ccn cco ccr ccu cda cdb cdc cdd cdg cdi cdn cdo cdr cdu cga cgb cgc cgd cgg cgi cgn cgo cgr cgu ci- cia cib cic cid cig cii cin cio cir ciu cn- cna cnb cnc cnd cng cni cnn cno cnr cnu co- coa cob coc cod cog coi con coo cor cou cra crb crc crd crg cri crn cro crr cru cua cub cuc cud cug cui cun cuo cur cuu daa dab dac dad dag dai dan dao dar dau dba dbb dbc dbd dbg dbi dbn dbo dbr dbu dca dcb dcc dcd dcg dci dcn dco dcr dcu dda ddb ddc ddd ddg ddi ddn ddo ddr ddu dga dgc dgd dgg dgi dgn dgr dgu di- dia dib dic did dig dii din dio dir diu dna dnb dnc dnd dng dni dnn dno dnr doa dob doc dod dog doi don doo dor dou dra drb drc drd drg dri drn dro drr dru dua dub duc dud dug dui dun duo dur g-d gaa gab gac gad gag gai gan gao gar gau gba gbc gbd gbg gbi gbn gbo gbr gbu gca gcb gcc gcd gcg gci gcn gco gcr gcu gda gdb gdc gdd gdi gdn gdo gdr gdu gga ggb ggc ggd ggg ggi ggn ggo ggr ggu gia gib gic gid gig gii gin gio gir giu gna gnb gnc gnd gni gnn gno gnr gnu goa gob goc god gog goi gon goo gor gou gra grb grc grd grg gri grn gro grr gru gu- gua gub guc gud gug gui gun guo gur guu i-d ia- iaa iab iac iad iag iai ian iao iar iau iba ibb ibc ibd ibg ibi ibn ibo ibr ibu ica icb icc icd icg ici icn ico icr icu ida idb idc idd idg idi idn ido idr idu iga igb igc igd igg igi ign igo igr igu iia iib iic iid iii iin iio iir iiu in- ina inb inc ind ing ini inn ino inr inu io- ioa iob ioc iod iog ioi ion ioo ior iou ir- ira irb irc ird irg iri irn iro irr iru iu- iua iub iuc iud iug iui iur n-i naa nab nac nad nag nai nan nao nar nau nba nbb nbc nbd nbg nbi nbn nbo nbr nbu nca ncb ncc ncd ncg nci ncn nco ncr ncu nda ndb ndc ndd ndg ndi ndn ndo ndr ndu nga ngb ngc ngd ngg ngi ngn ngo ngu nia nib nic nid nig nii nin nio nir niu nna nnb nnc nng nni nnn nno nnu no- noa nob noc nod nog noi non noo nor nou nra nrb nrc nrd nrg nri nrn nro nrr nru nua nub nuc nud nug nui nun nuo nur nuu o-i oaa oab oac oad oag oai oan oao oar oau ob- oba obb obc obd obg obi obn obo obr obu oc- oca ocb occ ocd ocg oci ocn oco ocr ocu oda odb odc odd odg odi odn odo odr odu oga ogc ogd ogg ogi ogn ogo oia oib oic oid oii oin oio oir oiu on- ona onb onc ond ong oni onn ono onr onu oo- ooa oob ooc ood oog ooi oon ooo oor or- ora orb orc ord org ori orn oro orr oru ou- oua ouc oud oui oun ouo our ra- raa rab rac rad rag rai ran rao rar rau rba rbb rbc rbd rbg rbi rbn rbo rbr rbu rca rcb rcc rcd rcg rci rcn rco rcr rcu rda rdb rdc rdd rdg rdi rdn rdo rdr rdu rga rgb rgc rgd rgg rgi rgn rgo rgr ria rib ric rid rig rii rin rio rir rna rnb rnc rnd rng rni rnn rno rnr rnu roa rob roc rod rog roi ron roo ror rou rra rrb rrc rrd rrg rri rrn rrr rru rua rub ruc rud rug rui run ruo rur ruu ua- uaa uab uac uad uag uai uan uao uar uau uba ubb ubc ubg ubi ubn ubo ubr ubu uca ucb ucc ucd ucg uci ucn uco ucr ucu uda udb udc udd udg udi udn udo udr udu uga ugb ugc ugg ugi ugn ugo ugr ugu uia uib uic uid uig uii uin uio uir uiu un- una unb unc und ung uni unn uno unr unu uoa uob uoc uod uog uon uoo uor ur- ura urb urc urd urg uri urn uro urr uru uua