-ic a-a a-b a-c a-i aaa aab aac aad aag aai aao aar ab- aba abb abc abd abg abi abo abr ac- aca acb acc acd acg aci aco acr ad- ada adb adc add adg adi ado adr ag- aga agb agc agd agg agi ago agr ai- aia aib aic aid aig aii aio air aoa aob aoc aod aog aoi aoo aor ar- ara arb arc ard arg ari aro arr baa bab bac bad bag bai bao bar bba bbb bbc bbd bbg bbi bbo bbr bca bcb bcc bcd bcg bci bco bcr bda bdb bdc bdd bdg bdi bdo bdr bga bgb bgc bgd bgg bgi bgo bgr bi- bia bib bic bid big bii bio bir boa bob boc bod bog boi boo bor bra brb brd brg bri bro brr c-- caa cab cac cad cag cai cao car cba cbb cbc cbd cbg cbi cbo cbr cca ccb ccc ccd ccg cci cco ccr cda cdb cdc cdd cdg cdi cdo cdr cga cgb cgc cgd cgg cgi cgo cgr ci- cia cib cic cid cig cii cio cir co- coa cob coc cod cog coi coo cor cra crb crc crd crg cri cro crr daa dab dac dad dag dai dao dar dba dbb dbc dbd dbg dbi dbo dbr dca dcb dcc dcd dcg dci dco dcr dda ddb ddc ddd ddg ddi ddo ddr dga dgc dgd dgg dgi dgr di- dia dib dic did dig dii dio dir doa dob doc dod dog doi doo dor dra drb drc drd drg dri dro drr g-d gaa gab gac gad gag gai gao gar gba gbc gbd gbg gbi gbo gbr gca gcb gcc gcd gcg gci gco gcr gda gdb gdc gdd gdi gdo gdr gga ggb ggc ggd ggg ggi ggo ggr gia gib gic gid gig gii gio gir goa gob goc god gog goi goo gor gra grb grc grd grg gri gro grr i-d ia- iaa iab iac iad iag iai iao iar iba ibb ibc ibd ibg ibi ibo ibr ica icb icc icd icg ici ico icr ida idb idc idd idg idi ido idr iga igb igc igd igg igi igo igr iia iib iic iid iii iio iir io- ioa iob ioc iod iog ioi ioo ior ir- ira irb irc ird irg iri iro irr o-i oaa oab oac oad oag oai oao oar ob- oba obb obc obd obg obi obo obr oc- oca ocb occ ocd ocg oci oco ocr oda odb odc odd odg odi odo odr oga ogc ogd ogg ogi ogo oia oib oic oid oii oio oir oo- ooa oob ooc ood oog ooi ooo oor or- ora orb orc ord org ori oro orr ra- raa rab rac rad rag rai rao rar rba rbb rbc rbd rbg rbi rbo rbr rca rcb rcc rcd rcg rci rco rcr rda rdb rdc rdd rdg rdi rdo rdr rga rgb rgc rgd rgg rgi rgo rgr ria rib ric rid rig rii rio rir roa rob roc rod rog roi roo ror rra rrb rrc rrd rrg rri rrr

a-do a-ii aaaa aaab aaac aaad aaai aaar aaba aabb aabc aabd aabi aaca aacb aacc aacd aaci aaco aacr aada aadc aadi aaib aaic aaii aaoo aara aarc aard aari aaro abaa abab abac abad abag abai abar abb- abba abbb abbi abbo abbr abca abcb abcc abcd abci abcr abda abdi abdo abgd abia abib abic abid abig abir aboa abob abod aboo abor abra abrc abri abro acaa acab acac acad acag acai acar acba acca accc accd acci acco acda acdb acdc acdi acga acgi acgr aci- acia acic acid acir acoa acod acog acor acr- acra acrc acri acro acrr adaa adab adac adad adag adai adao adar adba adbc adbi adcc adci adda addc addd addi addo addr adia adib adic adig adio adir adob adoc adod adog adoo ador adra adro ag-o agac agad agag agai agao agar agba agbo agca agcc agco agda agga aggi agia agib agic agid agig agii agio agir agob agod agog agoo agra agri agro aiai aiba aibo aica aicc aicd aicr aida aidb aidc aidi aidr aiga aigo aiia aiib aiic aiid aiir aioc aioi aira aird airi airo aoba aoca aora aorb arab arac arad arag arai arar arba arbi arc- arca arci arco arda ardc ardi ardo arga argb argi argo aria arib arid arig arii ario aroa arob arod aroi aroo aror arr- arra arrc arrg arri arro arrr ba-i baaa baad baar baba babb babi babo babr bac- baca bacc baci baco bada badb badd badi bado badr baga bagg bagi bago baia baib baic baid baig baio bair bar- bara barb barc bard barg bari baro barr bbad bbbb bbci bbdd bbdo bbga bbrc bbrg bcaa bcar bcbc bcbg bcca bccc bcci bcda bcia bcor bcra bd-r bdbc bddc bdii bdog bgca bgia biad biao biar biba bibb bibi bibo bica bicc bicg bici bico bida bidi bido bidr biga bigb bigc bigd bigg bigo bio- bioc biog bioi bira birb bird birg biri biro birr boab boac boad boag boai boar boba bobb bobi bobo boca boco boda bodb bodi bodo boga bogd bogg bogi bogo boi- boid boii boob booc bood boog boor bor- bora bord borg bori boro borr brab brac brad brag brai brao brca brcb brda brdo bria bric brid brig brio broa brob broc brod brog broo bror brrr c-bo c-cd caaa caab caac caba cabg cabi cabo cac- caca cacc caci caco cacr cada cadc cadd cadi cado cadr caga cagg cagi cago cagr caia caib caic caid caio cair caod caoi caor cara carb carc card cari caro carr cbac cbar cbbc cbca cbcc cbcr cbdb cbdc cbdi cbdo cbga cbgb cbia cbid cbir cbrd ccaa ccab ccac ccad ccag ccai ccar ccba ccbc ccca cccb cccc ccci ccdc ccdi ccdr ccga ccgc ccic