-ic a-a a-b a-c a-i aaa aab aac aad aag aai aak aan aao aar ab- aba abb abc abd abg abi abk abn abo abr ac- aca acb acc acd acg aci ack acn aco acr ad- ada adb adc add adg adi adk adn ado adr ag- aga agb agc agd agg agi agk agn ago agr ai- aia aib aic aid aig aii aik ain aio air aka akb akc akd akg aki akk akn ako akr an- ana anb anc and ang ani ank ann ano anr aoa aob aoc aod aog aoi aok aon aoo aor ar- ara arb arc ard arg ari ark arn aro arr baa bab bac bad bag bai bak ban bao bar bba bbb bbc bbd bbg bbi bbk bbn bbo bbr bca bcb bcc bcd bcg bci bck bcn bco bcr bda bdb bdc bdd bdg bdi bdk bdo bdr bga bgb bgc bgd bgg bgi bgk bgn bgo bgr bi- bia bib bic bid big bii bik bin bio bir bka bkb bkc bkg bkk bkn bko bkr bna bnb bnc bnd bng bni bnk bnn bno bnr boa bob boc bod bog boi bok bon boo bor bra brb brd brg bri brk brn bro brr c-- caa cab cac cad cag cai cak can cao car cba cbb cbc cbd cbg cbi cbk cbn cbo cbr cca ccb ccc ccd ccg cci cck ccn cco ccr cda cdb cdc cdd cdg cdi cdk cdn cdo cdr cga cgb cgc cgd cgg cgi cgn cgo cgr ci- cia cib cic cid cig cii cik cin cio cir cka ckb ckc ckd cki cko cn- cna cnb cnc cnd cng cni cnn cno cnr co- coa cob coc cod cog coi cok con coo cor cra crb crc crd crg cri crk crn cro crr daa dab dac dad dag dai dak dan dao dar dba dbb dbc dbd dbg dbi dbk dbn dbo dbr dca dcb dcc dcd dcg dci dck dcn dco dcr dda ddb ddc ddd ddg ddi ddk ddn ddo ddr dga dgc dgd dgg dgi dgk dgn dgr di- dia dib dic did dig dii dik din dio dir dka dkb dkc dkg dki dkk dko dkr dna dnb dnc dnd dng dni dnk dnn dno dnr doa dob doc dod dog doi dok don doo dor dra drb drc drd drg dri drk drn dro drr g-d gaa gab gac gad gag gai gak gan gao gar gba gbc gbd gbg gbi gbk gbn gbo gbr gca gcb gcc gcd gcg gci gck gcn gco gcr gda gdb gdc gdd gdi gdk gdn gdo gdr gga ggb ggc ggd ggg ggi ggn ggo ggr gia gib gic gid gig gii gik gin gio gir gka gkb gkd gkn gko gna gnb gnc gnd gni gnn gno gnr goa gob goc god gog goi gok gon goo gor gra grb grc grd grg gri grk grn gro grr i-d ia- iaa iab iac iad iag iai ian iao iar iba ibb ibc ibd ibg ibi ibk ibn ibo ibr ica icb icc icd icg ici ick icn ico icr ida idb idc idd idg idi idk idn ido idr iga igb igc igd igg igi igk ign igo igr iia iib iic iid iii iin iio iir ika ikb ikc iki ikk iko ikr in- ina inb inc ind ing ini ink inn ino inr io- ioa iob ioc iod iog ioi ion ioo ior ir- ira irb irc ird irg iri irk irn iro irr ka- kaa kab kac kad kag kai kak kan kao kar kba kbb kbc kbd kbi kbk kbn kbo kbr kca kcb kcc kcd kcg kci kck kcn kcr kda kdb kdc kdg kdk kdo kdr kga kgb kgc kgd kgi kgo kia kib kic kid kig kii kik kin kio kir kkb kkc kki kkk kkn kkr kn- kna knc knd kng kni knk knn kno knr koa kob koc kod kog koi kok kon koo kor kra krc krd krg kri krk krn kro krr n-i naa nab nac nad nag nai nak nan nao nar nba nbb nbc nbd nbg nbi nbk nbn nbo nbr nca ncb ncc ncd ncg nci nck ncn nco ncr nda ndb ndc ndd ndg ndi ndk ndn ndo ndr nga ngb ngc ngd ngg ngi ngk ngn ngo nia nib nic nid nig nii nik nin nio nir nka nkc nki nkk nkn nko nkr nna nnb nnc nng nni nnk nnn nno no- noa nob noc nod nog noi nok non noo nor nra nrb nrc nrd nrg nri nrk nrn nro nrr o-i oaa oab oac oad oag oai oak oan oao oar ob- oba obb obc obd obg obi obk obn obo obr oc- oca ocb occ ocd ocg oci ock ocn oco ocr oda odb odc odd odg odi odn odo odr oga ogc ogd ogg ogi ogn ogo oia oib oic oid oii oik oin oio oir oka okb okc okd okg oki okk oko okr on- ona onb onc ond ong oni onk onn ono onr oo- ooa oob ooc ood oog ooi ook oon ooo oor or- ora orb orc ord org ori ork orn oro orr ra- raa rab rac rad rag rai rak ran rao rar rba rbb rbc rbd rbg rbi rbk rbn rbo rbr rca rcb rcc rcd rcg rci rcn rco rcr rda rdb rdc rdd rdg rdi rdn rdo rdr rga rgb rgc rgd rgg rgi rgk rgn rgo rgr ria rib ric rid rig rii rik rin rio rir rkb rkc rkg rkk rko rna rnb rnc rnd rng rni rnn rno rnr roa rob roc rod rog roi rok ron roo ror rra rrb rrc rrd rrg rri rrk rrn rrr