-ic -th bbb bbc bbd bbh bbi bbo bbt bcb bcc bcd bch bci bco bct bcv bdb bdc bdd bdh bdi bdo bdt bdv bhb bhc bhd bhh bhi bho bht bhv bi- bib bic bid bih bii bio bit biv bob boc bod boh boi boo bot bov btb btc btd bth bti bto btt btv bvb bvc bvd bvh bvi bvo bvt bvv c-- cbb cbc cbd cbh cbi cbo cbt cbv ccb ccc ccd cch cci cco cct ccv cdb cdc cdd cdh cdi cdo cdt cdv ch- chb chc chd chh chi cho cht chv ci- cib cic cid cih cii cio cit civ co- cob coc cod coh coi coo cot cov ctb ctc ctd cth cti cto ctt ctv cvb cvc cvd cvh cvi cvo cvt cvv dbb dbc dbd dbh dbi dbo dbt dbv dcb dcc dcd dci dco dct dcv ddb ddc ddd ddh ddi ddo ddt dh- dhb dhc dhd dhh dhi dho dht di- dib dic did dih dii dio dit div dob doc dod doh doi doo dot dov dtb dtc dtd dth dti dto dtt dtv dvb dvc dvd dvh dvi dvt h-i hbb hbc hbd hbh hbi hbo hbt hbv hcb hcc hcd hch hci hco hct hcv hdb hdc hdd hdh hdi hdo hdt hdv hhb hhc hhd hhh hhi hho hht hhv hib hic hid hih hii hio hit hiv hob hoc hod hoh hoi hoo hot hov htb htc htd hth hti hto htt htv hv- hvb hvc hvd hvo hvt hvv i-d i-v ibb ibc ibd ibh ibi ibo ibt ibv icb icc icd ich ici ico ict icv idb idc idd idh idi ido idt idv ihb ihc ihd ihh ihi iho iht ihv iib iic iid iih iii iio iit io- iob ioc iod ioh ioi ioo iot iov itb itc itd ith iti ito itt itv ivb ivc ivd ivi ivo ivt ivv o-i ob- obb obc obd obh obi obo obt obv oc- ocb occ ocd och oci oco oct ocv odb odc odd odh odi odo odt odv ohc ohd ohh ohi oho oht oib oic oid oii oio oit oiv oo- oob ooc ood ooh ooi ooo oot oov ot- otb otc otd oth oti oto ott otv ov- ovb ovc ovd ovh ovi ovo ovv tbb tbc tbd tbh tbi tbo tbt tbv tcb tcc tcd tch tci tco tct tcv tdb tdc tdd tdh tdi tdo tdt tdv th- thb thc thd thh thi tho tht thv tib tic tid tih tii tio tit tiv to- tob toc tod toh toi too tot tov ttb ttc ttd tth tti tto ttt ttv tvb tvc tvd tvh tvi tvo tvt vbc vbd vbh vbi vbo vbv vcc vcd vch vci vco vct vdb vdc vdd vdh vdi vdo vdt vdv vh- vhb vhc vhd vhi vho vht vi- vib vic vid vii vio vit viv vob voc vod voh voi voo vot vov vtb vtc vti vto vtt vtv vvb vvc vvi vvo vvt vvv