-ic a-a a-b a-c a-i aaa aab aac aad aah aai aak aan aao ab- aba abb abc abd abh abi abk abn abo ac- aca acb acc acd ach aci ack acn aco ad- ada adb adc add adh adi adk adn ado aha ahb ahc ahd ahh ahi ahk ahn aho ai- aia aib aic aid aih aii aik ain aio aka akb akc akd akh aki akk akn ako an- ana anb anc and anh ani ank ann ano aoa aob aoc aod aoh aoi aok aon aoo baa bab bac bad bah bai bak ban bao bba bbb bbc bbd bbh bbi bbk bbn bbo bca bcb bcc bcd bch bci bck bcn bco bda bdb bdc bdd bdh bdi bdk bdo bha bhb bhc bhd bhh bhi bhk bho bi- bia bib bic bid bih bii bik bin bio bka bkb bkc bkk bkn bko bna bnb bnc bnd bni bnk bnn bno boa bob boc bod boh boi bok bon boo c-- caa cab cac cad cah cai cak can cao cba cbb cbc cbd cbh cbi cbk cbn cbo cca ccb ccc ccd cch cci cck ccn cco cda cdb cdc cdd cdh cdi cdk cdn cdo ch- cha chb chc chd chh chi chk chn cho ci- cia cib cic cid cih cii cik cin cio cka ckb ckc ckd ckh cki cko cn- cna cnb cnc cnd cnh cni cnn cno co- coa cob coc cod coh coi cok con coo daa dab dac dad dah dai dak dan dao dba dbb dbc dbd dbh dbi dbk dbn dbo dca dcb dcc dcd dci dck dcn dco dda ddb ddc ddd ddh ddi ddk ddn ddo dh- dha dhb dhc dhd dhh dhi dhk dho di- dia dib dic did dih dii dik din dio dka dkb dkc dki dkk dko dna dnb dnc dnd dnh dni dnk dnn dno doa dob doc dod doh doi dok don doo h-i haa hab hac had hah hai hak han hao hba hbb hbc hbd hbh hbi hbk hbn hbo hca hcb hcc hcd hch hci hck hcn hco hda hdb hdc hdd hdh hdi hdk hdn hdo hha hhb hhc hhd hhh hhi hhk hhn hho hia hib hic hid hih hii hik hin hio hka hkb hkd hkh hki hkk hkn hko hna hnb hnc hnd hnh hnk hnn hno hoa hob hoc hod hoh hoi hok hon hoo i-d ia- iaa iab iac iad iah iai ian iao iba ibb ibc ibd ibh ibi ibk ibn ibo ica icb icc icd ich ici ick icn ico ida idb idc idd idh idi idk idn ido iha ihb ihc ihd ihh ihi ihk ihn iho iia iib iic iid iih iii iin iio ika ikb ikc iki ikk iko in- ina inb inc ind inh ini ink inn ino io- ioa iob ioc iod ioh ioi ion ioo ka- kaa kab kac kad kah kai kak kan kao kba kbb kbc kbd kbh kbi kbk kbn kbo kca kcb kcc kcd kch kci kck kcn kda kdb kdc kdh kdk kdo kha khh khi khk khn kho kia kib kic kid kih kii kik kin kio kkb kkc kkh kki kkk kkn kn- kna knc knd kni knk knn kno koa kob koc kod koh koi kok kon koo n-i naa nab nac nad nah nai nak nan nao nba nbb nbc nbd nbi nbk nbn nbo nca ncb ncc ncd nch nci nck ncn nco nda ndb ndc ndd ndh ndi ndk ndn ndo nha nhb nhc nhd nhh nhi nhk nhn nia nib nic nid nih nii nik nin nio nka nkc nki nkk nkn nko nna nnb nnc nnh nni nnk nnn nno no- noa nob noc nod noh noi nok non noo o-i oaa oab oac oad oah oai oak oan oao ob- oba obb obc obd obh obi obk obn obo oc- oca ocb occ ocd och oci ock ocn oco oda odb odc odd odh odi odn odo oha ohc ohd ohh ohi ohn oho oia oib oic oid oii oik oin oio oka okb okc okd oki okk oko on- ona onb onc ond onh oni onk onn ono oo- ooa oob ooc ood ooh ooi ook oon ooo